{"id":"CVE-2024-23176","aliases":["EUVD-2024-55763","GHSA-xxr5-62f3-4fpr"],"status":"published","title":"An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special...","description":"An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.","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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00235,"percentile":0.1451,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-14T00:00:00Z","modified":"2026-09-28T14:10:00Z","products":[{"vendor":"mediawiki","product":"massmessage"}],"references":[{"url":"https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/message/TDBUBCCOQJUT4SCHJNPHKQNPBUUETY52/"},{"url":"https://phabricator.wikimedia.org/T347742","tags":["exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23176"},{"url":"https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/message/TDBUBCCOQJUT4SCHJNPHKQNPBUUETY52"},{"url":"https://github.com/advisories/GHSA-xxr5-62f3-4fpr"}],"sources":{"cve":[{"id":"CVE-2024-23176","description":"An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.","status":"published","published":"2026-09-14T00:00:00Z","modified":"2026-09-14T15:23:47.638Z","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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:05.444281Z"}],"euvd":[{"id":"EUVD-2024-55763","description":"An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.","status":"published","published":"2026-09-14T00:00:00Z","modified":"2026-09-14T15:23:47Z","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":"2026-11-02T17:28:20.426868Z"}],"ghsa":[{"id":"GHSA-xxr5-62f3-4fpr","title":"An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special...","description":"An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.","status":"published","published":"2026-09-14T09:30:58Z","modified":"2026-09-14T09:31:03Z","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":"2026-11-02T15:11:48.80782Z"}],"nvd":[{"id":"CVE-2024-23176","description":"An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.","status":"published","published":"2026-09-14T07:17:16.097Z","modified":"2026-09-28T14:10:00.213Z","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":"2026-11-02T14:10:47.77313Z"}]}}