{"items":[{"id":"NVI-00005506","kind":"vulnerability","title":"PhpSpreadsheet allows unauthorized Reflected XSS in Currency.php file","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-j2xg-cjcx-4677","CVE-2024-56409"],"plain_summary":"OSV carries this publisher advisory for phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpexcel. 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 3.7.0 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"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 1.29.7 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"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 2.1.6 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"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 2.3.5 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"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-03089a78e48d889ee6b6ad18c9968236"],"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":"2026-06-17T08:12:09.260Z","value":"5.4 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-3ee78ce1e54311e78711142f2168be0a"},{"kind":"CVSS","as_of":"2026-06-17T08:12:09.260Z","value":"8.3 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3ee78ce1e54311e78711142f2168be0a"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.340%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.27574. Missing scores are unknown.","source_id":"sr-03089a78e48d889ee6b6ad18c9968236"}],"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-92b6f873919930e536f6120da36ea312","url":"https://github.com/advisories/GHSA-j2xg-cjcx-4677","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-j2xg-cjcx-4677","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.435Z"},{"id":"sr-3ee78ce1e54311e78711142f2168be0a","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56409","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2024-56409","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T00:59:51.327Z"},{"id":"sr-03089a78e48d889ee6b6ad18c9968236","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-2024-56409","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.369Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 3.0.0; fixed 3.7.0"]},{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.29.7"]},{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.6"]},{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 2.2.0; fixed 2.3.5"]},{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpexcel","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 1.8.2"]}],"null_published_at":"2026-11-01T01:04:01.288Z","source_updated_at":"2026-09-10T03:50:56.526Z","source_disclosed_at":"2025-01-03T17:06:51.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.435Z"},{"id":"NVI-00005506","kind":"vulnerability","title":"PhpSpreadsheet allows unauthorized Reflected XSS in Currency.php file","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j2xg-cjcx-4677","CVE-2024-56409"],"plain_summary":"OSV carries this publisher advisory for phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpexcel. 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 3.7.0 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"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 1.29.7 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"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 2.1.6 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"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 2.3.5 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"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-03089a78e48d889ee6b6ad18c9968236"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.340%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.27574. Missing scores are unknown.","source_id":"sr-03089a78e48d889ee6b6ad18c9968236"}],"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-92b6f873919930e536f6120da36ea312","url":"https://github.com/advisories/GHSA-j2xg-cjcx-4677","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-j2xg-cjcx-4677","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.435Z"},{"id":"sr-03089a78e48d889ee6b6ad18c9968236","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-2024-56409","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.369Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 3.0.0; fixed 3.7.0"]},{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.29.7"]},{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.6"]},{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 2.2.0; fixed 2.3.5"]},{"certainty":"source_listed","source_ids":["sr-92b6f873919930e536f6120da36ea312"],"technology":"phpoffice/phpexcel","known_exclusions":[],"conditions_summary":"# Unauthorized Reflected XSS in `Currency.php` file\n\n**Product**: Phpspreadsheet\n**Version**: version 3.6.0\n**CWE-ID**: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\n**CVSS vector v.3.1**: 8.2 (AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N)\n**CVSS vector v.4.0**: 8.3 (AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:L/SI:H/SA:L)\n**Description**: using the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` script, an attacker can perform XSS-type attack\n**Impact**: executing arbitrary JavaScript code in the browser\n**Vulnerable component**: the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file\n**Exploitation conditions**: an unauthorized user\n**Mitigation**: sanitization of the `currency` variable\n**Researcher**: Aleksey Solovev (Positive Technologies)\n\n# Research\n\nThe researcher discovered zero-day vulnerability Unauthorized Reflected Cross-Site Scripting (XSS) (in `Currency.php` file) in Phpspreadsheet.\n\nThere is no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Wizards/NumberFormat/Currency.php` file, which leads to the possibility of a XSS attack.\nStrings are formed using the ","public_affected_ranges":["ECOSYSTEM: introduced 0; last_affected 1.8.2"]}],"null_published_at":"2026-10-31T22:13:44.216Z","source_updated_at":"2026-09-10T03:50:56.526Z","source_disclosed_at":"2025-01-03T17:06:51.000Z","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":"2026-10-31T21:42:20.435Z"}],"next_cursor":null,"snapshot_revision":"42594"}