{"items":[{"id":"NVI-00005928","kind":"vulnerability","title":"TypiCMS Core has Stored Cross-Site Scripting (XSS) via SVG File Upload","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-xfvg-8v67-j7wp","CVE-2026-27621"],"plain_summary":"GitHub lists this reviewed advisory for typicms/core, typicms/core, typicms/core, typicms/core, typicms/core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1ea7e7dc90a444448d4702eb5eacf6cb"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 16.1.7 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 15.0.29 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 14.0.27 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.0.9 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.0.5 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:27:24.260Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6"},{"kind":"CVSS","as_of":"2026-06-17T10:27:24.260Z","value":"6.8 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.224%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.1305. Missing scores are unknown.","source_id":"sr-1ea7e7dc90a444448d4702eb5eacf6cb"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-24c7c6790f49dce8c710eec70b337327","url":"https://github.com/advisories/GHSA-xfvg-8v67-j7wp","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xfvg-8v67-j7wp","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:40.400Z"},{"id":"sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f","url":"https://github.com/advisories/GHSA-xfvg-8v67-j7wp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xfvg-8v67-j7wp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.444Z"},{"id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27621","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-27621","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"},{"id":"sr-1ea7e7dc90a444448d4702eb5eacf6cb","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-27621","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.781Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 16.0.0, < 16.1.7"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 15.0.0, < 15.0.29"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 14.0.0, < 14.0.27"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 13.0.0, < 13.0.9"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["< 12.0.5"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 16.0.0; fixed 16.1.7"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 15.0.0; fixed 15.0.29"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 14.0.0; fixed 14.0.27"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 13.0.0; fixed 13.0.9"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 12.0.5"]}],"null_published_at":"2026-11-07T14:01:55.415Z","source_updated_at":"2026-07-09T17:19:02.000Z","source_disclosed_at":"2026-02-25T16:06:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:51.444Z"},{"id":"NVI-00005928","kind":"vulnerability","title":"TypiCMS Core has Stored Cross-Site Scripting (XSS) via SVG File Upload","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-xfvg-8v67-j7wp","CVE-2026-27621"],"plain_summary":"GitHub lists this reviewed advisory for typicms/core, typicms/core, typicms/core, typicms/core, typicms/core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-bc38caf4eff8243320f4509d5074edcc"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 16.1.7 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 15.0.29 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 14.0.27 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.0.9 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.0.5 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:27:24.260Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6"},{"kind":"CVSS","as_of":"2026-06-17T10:27:24.260Z","value":"6.8 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.224%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.13018. Missing scores are unknown.","source_id":"sr-bc38caf4eff8243320f4509d5074edcc"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-24c7c6790f49dce8c710eec70b337327","url":"https://github.com/advisories/GHSA-xfvg-8v67-j7wp","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xfvg-8v67-j7wp","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:40.400Z"},{"id":"sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f","url":"https://github.com/advisories/GHSA-xfvg-8v67-j7wp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xfvg-8v67-j7wp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.444Z"},{"id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27621","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-27621","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"},{"id":"sr-bc38caf4eff8243320f4509d5074edcc","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-27621","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.376Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 16.0.0, < 16.1.7"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 15.0.0, < 15.0.29"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 14.0.0, < 14.0.27"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 13.0.0, < 13.0.9"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["< 12.0.5"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 16.0.0; fixed 16.1.7"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 15.0.0; fixed 15.0.29"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 14.0.0; fixed 14.0.27"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 13.0.0; fixed 13.0.9"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 12.0.5"]}],"null_published_at":"2026-11-06T21:03:47.992Z","source_updated_at":"2026-07-09T17:19:02.000Z","source_disclosed_at":"2026-02-25T16:06:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:51.444Z"},{"id":"NVI-00005928","kind":"vulnerability","title":"TypiCMS Core has Stored Cross-Site Scripting (XSS) via SVG File Upload","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-xfvg-8v67-j7wp","CVE-2026-27621"],"plain_summary":"GitHub lists this reviewed advisory for typicms/core, typicms/core, typicms/core, typicms/core, typicms/core. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5dd6e35c237e2a20d6a9def8031e5cf6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 16.1.7 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 15.0.29 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 14.0.27 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.0.9 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.0.5 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:27:24.260Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6"},{"kind":"CVSS","as_of":"2026-06-17T10:27:24.260Z","value":"6.8 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-24c7c6790f49dce8c710eec70b337327","url":"https://github.com/advisories/GHSA-xfvg-8v67-j7wp","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-xfvg-8v67-j7wp","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T23:34:40.400Z"},{"id":"sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f","url":"https://github.com/advisories/GHSA-xfvg-8v67-j7wp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xfvg-8v67-j7wp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.444Z"},{"id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27621","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-27621","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 16.0.0, < 16.1.7"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 15.0.0, < 15.0.29"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 14.0.0, < 14.0.27"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":[">= 13.0.0, < 13.0.9"]},{"certainty":"source_listed","source_ids":["sr-24c7c6790f49dce8c710eec70b337327"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["< 12.0.5"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 16.0.0; fixed 16.1.7"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 15.0.0; fixed 15.0.29"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 14.0.0; fixed 14.0.27"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 13.0.0; fixed 13.0.9"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 12.0.5"]}],"null_published_at":"2026-11-05T19:10:21.419Z","source_updated_at":"2026-07-09T17:19:02.000Z","source_disclosed_at":"2026-02-25T16:06:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:51.444Z"},{"id":"NVI-00005928","kind":"vulnerability","title":"TypiCMS Core has Stored Cross-Site Scripting (XSS) via SVG File Upload","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-xfvg-8v67-j7wp","CVE-2026-27621"],"plain_summary":"OSV carries this publisher advisory for typicms/core, typicms/core, typicms/core, typicms/core, typicms/core. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 16.1.7 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 15.0.29 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 14.0.27 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.0.9 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.0.5 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5dd6e35c237e2a20d6a9def8031e5cf6"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:27:24.260Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6"},{"kind":"CVSS","as_of":"2026-06-17T10:27:24.260Z","value":"6.8 MEDIUM (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f","url":"https://github.com/advisories/GHSA-xfvg-8v67-j7wp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xfvg-8v67-j7wp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.444Z"},{"id":"sr-5dd6e35c237e2a20d6a9def8031e5cf6","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27621","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-27621","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:56.268Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 16.0.0; fixed 16.1.7"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 15.0.0; fixed 15.0.29"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 14.0.0; fixed 14.0.27"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 13.0.0; fixed 13.0.9"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 12.0.5"]}],"null_published_at":"2026-11-02T20:21:10.274Z","source_updated_at":"2026-07-09T17:30:10.868Z","source_disclosed_at":"2026-02-25T16:06:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:51.444Z"},{"id":"NVI-00005928","kind":"vulnerability","title":"TypiCMS Core has Stored Cross-Site Scripting (XSS) via SVG File Upload","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-xfvg-8v67-j7wp","CVE-2026-27621"],"plain_summary":"OSV carries this publisher advisory for typicms/core, typicms/core, typicms/core, typicms/core, typicms/core. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 16.1.7 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 15.0.29 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 14.0.27 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 13.0.9 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 12.0.5 for typicms/core. Confirm the publisher’s latest guidance.","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f","url":"https://github.com/advisories/GHSA-xfvg-8v67-j7wp","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-xfvg-8v67-j7wp","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.444Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 16.0.0; fixed 16.1.7"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 15.0.0; fixed 15.0.29"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 14.0.0; fixed 14.0.27"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 13.0.0; fixed 13.0.9"]},{"certainty":"source_listed","source_ids":["sr-a1ac8c2ddd735179e6a2b0b39f0e4f2f"],"technology":"typicms/core","known_exclusions":[],"conditions_summary":"#### I. Summary\n\nA Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, the script executes in their browser, leading to a compromise of that user's session.\n\nThe issue is exacerbated by a bug in the SVG parsing logic, which can cause a 500 error if the uploaded SVG does not contain a `viewBox` attribute. However, this does not mitigate the XSS vulnerability, as an attacker can easily include a valid `viewBox` attribute in their malicious payload.\n\n#### II. Vulnerability Details\n\n*   **Vulnerability Type:** Stored Cross-Site Scripting (XSS) (CWE-79)\n*   **Affected Component:** `TypiCMS\\Modules\\Core\\Http\\Requests\\FileFormRequest.php` and `TypiCMS\\Modules\\Core\\Services\\FileUploader.php`.\n*  **Affected Versions:** <= 16.0.5\n\nThe vulnerability stems from two main points:\n\n1.  **Permissive File Validat","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 12.0.5"]}],"null_published_at":"2026-10-31T22:13:05.852Z","source_updated_at":"2026-07-09T17:30:10.868Z","source_disclosed_at":"2026-02-25T16:06:59.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:51.444Z"}],"next_cursor":null,"snapshot_revision":"42594"}