{"id":"CVE-2025-53491","aliases":["EUVD-2025-20268","GHSA-8733-8379-6x8g"],"status":"published","title":"XSS in FlaggedRevs","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00203,"percentile":0.10353,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-07-07T16:17:29Z","modified":"2026-06-17T09:38:18Z","products":[{"vendor":"wikimedia foundation","product":"mediawiki - flaggedrevs extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T394397"},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FlaggedRevs/+/1165929"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53491"},{"url":"https://github.com/advisories/GHSA-8733-8379-6x8g"}],"sources":{"cve":[{"id":"CVE-2025-53491","title":"XSS in FlaggedRevs","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-07T16:17:29.771Z","modified":"2025-07-10T23:32:35.484Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:48.853452Z"}],"euvd":[{"id":"EUVD-2025-20268","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-07T16:17:29Z","modified":"2025-07-10T23:32:35Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:32:09.102762Z"}],"ghsa":[{"id":"GHSA-8733-8379-6x8g","title":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')...","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-07T18:32:28Z","modified":"2025-07-07T21:32:24Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:02:56.056966Z"}],"nvd":[{"id":"CVE-2025-53491","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - FlaggedRevs Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FlaggedRevs Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-07T17:15:29.267Z","modified":"2026-06-17T09:38:18.737Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:16.997062Z"}]}}