{"items":[{"id":"NVI-00006858","kind":"vulnerability","title":"October CMS Vulnerable to Stored XSS via Branding Styles","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-wvpq-h33f-8rp6","CVE-2025-61676"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 3.7.13 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"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 4.0.12 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"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-a4292773035be49a80fc10d8e72fadf7"],"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":"2026-06-17T09:50:45.817Z","value":"6.1 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-435a6ffa2b6f37097aa51e227ee7ce3d"},{"kind":"CVSS","as_of":"2026-06-17T09:50:45.817Z","value":"4.8 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-435a6ffa2b6f37097aa51e227ee7ce3d"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.274%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.19803. Missing scores are unknown.","source_id":"sr-a4292773035be49a80fc10d8e72fadf7"}],"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-c4de498fe76c7ee30137fbb4a1b8266b","url":"https://github.com/advisories/GHSA-wvpq-h33f-8rp6","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wvpq-h33f-8rp6","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.436Z"},{"id":"sr-435a6ffa2b6f37097aa51e227ee7ce3d","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61676","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-61676","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:22.167Z"},{"id":"sr-a4292773035be49a80fc10d8e72fadf7","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-2025-61676","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.372Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A cross-site scripting (XSS) vulnerabilities was identified in October CMS backend configuration forms:\n\n- **Branding and Appearances Styles**  \n   A user with the `Customize Backend Styles` permission could inject malicious HTML/JS into the stylesheet input at  \n   *Settings → Branding & Appearance → Styles*.  \n\nA specially crafted input could break out of the intended `` context, allowing arbitrary script execution across backend pages for all users.\n\n---\n\n### Impact\n- Persistent XSS across the backend interface.  \n- Exploitable by lower-privileged accounts with the above permissions.  \n- Potential consequences include privilege escalation, session hijacking, and execution of unauthorized actions in victim sessions.\n\n---\n\n### Patches\nThe vulnerability has been patched in **v4.0.12** and **v3.7.13**.  \nStylesheet inputs are now sanitized to prevent injection of arbitrary HTML/JS.  \n\nAll users are strongly encouraged to upgrade to the latest patched version.\n\n---\n\n### Workarounds\nIf upgrading immediately is not possible:  \n- Restrict the permissions `Customize Backend Styles` to fully trusted administrators only.  \n\nThis reduces exposure but does not fully eliminate risk.\n\n-","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.7.13"]},{"certainty":"source_listed","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A cross-site scripting (XSS) vulnerabilities was identified in October CMS backend configuration forms:\n\n- **Branding and Appearances Styles**  \n   A user with the `Customize Backend Styles` permission could inject malicious HTML/JS into the stylesheet input at  \n   *Settings → Branding & Appearance → Styles*.  \n\nA specially crafted input could break out of the intended `` context, allowing arbitrary script execution across backend pages for all users.\n\n---\n\n### Impact\n- Persistent XSS across the backend interface.  \n- Exploitable by lower-privileged accounts with the above permissions.  \n- Potential consequences include privilege escalation, session hijacking, and execution of unauthorized actions in victim sessions.\n\n---\n\n### Patches\nThe vulnerability has been patched in **v4.0.12** and **v3.7.13**.  \nStylesheet inputs are now sanitized to prevent injection of arbitrary HTML/JS.  \n\nAll users are strongly encouraged to upgrade to the latest patched version.\n\n---\n\n### Workarounds\nIf upgrading immediately is not possible:  \n- Restrict the permissions `Customize Backend Styles` to fully trusted administrators only.  \n\nThis reduces exposure but does not fully eliminate risk.\n\n-","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 4.0.12"]}],"null_published_at":"2026-11-04T02:53:03.185Z","source_updated_at":"2026-02-03T03:16:16.602Z","source_disclosed_at":"2026-01-09T20:12:24.000Z","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":"2026-10-31T21:42:51.436Z"},{"id":"NVI-00006858","kind":"vulnerability","title":"October CMS Vulnerable to Stored XSS via Branding Styles","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-wvpq-h33f-8rp6","CVE-2025-61676"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 3.7.13 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"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 4.0.12 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"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-435a6ffa2b6f37097aa51e227ee7ce3d"],"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":"2026-06-17T09:50:45.817Z","value":"6.1 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-435a6ffa2b6f37097aa51e227ee7ce3d"},{"kind":"CVSS","as_of":"2026-06-17T09:50:45.817Z","value":"4.8 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-435a6ffa2b6f37097aa51e227ee7ce3d"}],"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-c4de498fe76c7ee30137fbb4a1b8266b","url":"https://github.com/advisories/GHSA-wvpq-h33f-8rp6","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wvpq-h33f-8rp6","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.436Z"},{"id":"sr-435a6ffa2b6f37097aa51e227ee7ce3d","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61676","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-61676","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:22.167Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A cross-site scripting (XSS) vulnerabilities was identified in October CMS backend configuration forms:\n\n- **Branding and Appearances Styles**  \n   A user with the `Customize Backend Styles` permission could inject malicious HTML/JS into the stylesheet input at  \n   *Settings → Branding & Appearance → Styles*.  \n\nA specially crafted input could break out of the intended `` context, allowing arbitrary script execution across backend pages for all users.\n\n---\n\n### Impact\n- Persistent XSS across the backend interface.  \n- Exploitable by lower-privileged accounts with the above permissions.  \n- Potential consequences include privilege escalation, session hijacking, and execution of unauthorized actions in victim sessions.\n\n---\n\n### Patches\nThe vulnerability has been patched in **v4.0.12** and **v3.7.13**.  \nStylesheet inputs are now sanitized to prevent injection of arbitrary HTML/JS.  \n\nAll users are strongly encouraged to upgrade to the latest patched version.\n\n---\n\n### Workarounds\nIf upgrading immediately is not possible:  \n- Restrict the permissions `Customize Backend Styles` to fully trusted administrators only.  \n\nThis reduces exposure but does not fully eliminate risk.\n\n-","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.7.13"]},{"certainty":"source_listed","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A cross-site scripting (XSS) vulnerabilities was identified in October CMS backend configuration forms:\n\n- **Branding and Appearances Styles**  \n   A user with the `Customize Backend Styles` permission could inject malicious HTML/JS into the stylesheet input at  \n   *Settings → Branding & Appearance → Styles*.  \n\nA specially crafted input could break out of the intended `` context, allowing arbitrary script execution across backend pages for all users.\n\n---\n\n### Impact\n- Persistent XSS across the backend interface.  \n- Exploitable by lower-privileged accounts with the above permissions.  \n- Potential consequences include privilege escalation, session hijacking, and execution of unauthorized actions in victim sessions.\n\n---\n\n### Patches\nThe vulnerability has been patched in **v4.0.12** and **v3.7.13**.  \nStylesheet inputs are now sanitized to prevent injection of arbitrary HTML/JS.  \n\nAll users are strongly encouraged to upgrade to the latest patched version.\n\n---\n\n### Workarounds\nIf upgrading immediately is not possible:  \n- Restrict the permissions `Customize Backend Styles` to fully trusted administrators only.  \n\nThis reduces exposure but does not fully eliminate risk.\n\n-","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 4.0.12"]}],"null_published_at":"2026-11-01T14:34:07.637Z","source_updated_at":"2026-02-03T03:16:16.602Z","source_disclosed_at":"2026-01-09T20:12:24.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:51.436Z"},{"id":"NVI-00006858","kind":"vulnerability","title":"October CMS Vulnerable to Stored XSS via Branding Styles","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wvpq-h33f-8rp6","CVE-2025-61676"],"plain_summary":"OSV carries this publisher advisory for october/system, october/system. 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 3.7.13 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"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 4.0.12 for october/system. Confirm the publisher’s latest guidance.","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"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-c4de498fe76c7ee30137fbb4a1b8266b","url":"https://github.com/advisories/GHSA-wvpq-h33f-8rp6","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-wvpq-h33f-8rp6","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:51.436Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A cross-site scripting (XSS) vulnerabilities was identified in October CMS backend configuration forms:\n\n- **Branding and Appearances Styles**  \n   A user with the `Customize Backend Styles` permission could inject malicious HTML/JS into the stylesheet input at  \n   *Settings → Branding & Appearance → Styles*.  \n\nA specially crafted input could break out of the intended `` context, allowing arbitrary script execution across backend pages for all users.\n\n---\n\n### Impact\n- Persistent XSS across the backend interface.  \n- Exploitable by lower-privileged accounts with the above permissions.  \n- Potential consequences include privilege escalation, session hijacking, and execution of unauthorized actions in victim sessions.\n\n---\n\n### Patches\nThe vulnerability has been patched in **v4.0.12** and **v3.7.13**.  \nStylesheet inputs are now sanitized to prevent injection of arbitrary HTML/JS.  \n\nAll users are strongly encouraged to upgrade to the latest patched version.\n\n---\n\n### Workarounds\nIf upgrading immediately is not possible:  \n- Restrict the permissions `Customize Backend Styles` to fully trusted administrators only.  \n\nThis reduces exposure but does not fully eliminate risk.\n\n-","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 3.7.13"]},{"certainty":"source_listed","source_ids":["sr-c4de498fe76c7ee30137fbb4a1b8266b"],"technology":"october/system","known_exclusions":[],"conditions_summary":"A cross-site scripting (XSS) vulnerabilities was identified in October CMS backend configuration forms:\n\n- **Branding and Appearances Styles**  \n   A user with the `Customize Backend Styles` permission could inject malicious HTML/JS into the stylesheet input at  \n   *Settings → Branding & Appearance → Styles*.  \n\nA specially crafted input could break out of the intended `` context, allowing arbitrary script execution across backend pages for all users.\n\n---\n\n### Impact\n- Persistent XSS across the backend interface.  \n- Exploitable by lower-privileged accounts with the above permissions.  \n- Potential consequences include privilege escalation, session hijacking, and execution of unauthorized actions in victim sessions.\n\n---\n\n### Patches\nThe vulnerability has been patched in **v4.0.12** and **v3.7.13**.  \nStylesheet inputs are now sanitized to prevent injection of arbitrary HTML/JS.  \n\nAll users are strongly encouraged to upgrade to the latest patched version.\n\n---\n\n### Workarounds\nIf upgrading immediately is not possible:  \n- Restrict the permissions `Customize Backend Styles` to fully trusted administrators only.  \n\nThis reduces exposure but does not fully eliminate risk.\n\n-","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 4.0.12"]}],"null_published_at":"2026-10-31T22:13:14.300Z","source_updated_at":"2026-02-03T03:16:16.602Z","source_disclosed_at":"2026-01-09T20:12:24.000Z","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":"2026-10-31T21:42:51.436Z"}],"next_cursor":null,"snapshot_revision":"42594"}