{"id":"CVE-2025-62662","aliases":["EUVD-2025-34961","GHSA-fpf4-m274-fqjj"],"status":"published","title":"Stored XSS through system messages in AdvancedSearch","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - AdvancedSearch Extension allows Stored XSS.This issue affects Mediawiki - AdvancedSearch Extension: from master before 1.39.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0051,"percentile":0.43987,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-10-18T04:19:31Z","modified":"2026-10-09T10:10:00Z","products":[{"vendor":"the wikimedia foundation","product":"mediawiki - advancedsearch extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T402146","tags":["exploit"]},{"url":"https://gerrit.wikimedia.org/r/q/I91bba2b570643ef74e6c210e7250e05cd2aa388e"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62662"},{"url":"https://github.com/advisories/GHSA-fpf4-m274-fqjj"}],"sources":{"cve":[{"id":"CVE-2025-62662","title":"Stored XSS through system messages in AdvancedSearch","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - AdvancedSearch Extension allows Stored XSS.This issue affects Mediawiki - AdvancedSearch Extension: from master before 1.39.","status":"published","published":"2025-10-18T04:19:31.193Z","modified":"2025-10-20T16:31:09.792Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:54.87586Z"}],"euvd":[{"id":"EUVD-2025-34961","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - AdvancedSearch Extension allows Stored XSS.This issue affects Mediawiki - AdvancedSearch Extension: from master before 1.39.","status":"published","published":"2025-10-18T04:19:31Z","modified":"2025-10-20T16:31:09Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L","level":"medium"}],"updated_at":"2026-11-02T20:31:29.921127Z"}],"ghsa":[{"id":"GHSA-fpf4-m274-fqjj","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 The Wikimedia Foundation Mediawiki - AdvancedSearch Extension allows Stored XSS.This issue affects Mediawiki - AdvancedSearch Extension: from master before 1.39.","status":"published","published":"2025-10-18T06:30:25Z","modified":"2025-10-18T06:30:31Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:01.823376Z"}],"nvd":[{"id":"CVE-2025-62662","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - AdvancedSearch Extension allows Stored XSS.This issue affects Mediawiki - AdvancedSearch Extension: from master before 1.39.","status":"published","published":"2025-10-18T05:15:33.83Z","modified":"2026-10-09T10:10:00.193Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:39.069866Z"}]}}