{"id":"CVE-2025-62659","aliases":["EUVD-2025-35582","GHSA-8vcg-8c67-qxrf"],"status":"published","title":"The CookieConsent extension does not properly use reserved data attributes, thus introducing potential XSS vectors","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki CookieConsent extension: from v0.1.0 before v2.0.0.","severity":{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:C/RE:M/U:Amber","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.003,"percentile":0.22978,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-10-22T15:31:28Z","modified":"2026-10-08T11:10:00Z","products":[{"vendor":"the wikimedia foundation","product":"mediawiki cookieconsent extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T404475"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62659"},{"url":"https://github.com/advisories/GHSA-8vcg-8c67-qxrf"}],"sources":{"cve":[{"id":"CVE-2025-62659","title":"The CookieConsent extension does not properly use reserved data attributes, thus introducing potential XSS vectors","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki CookieConsent extension: from v0.1.0 before v2.0.0.","status":"published","published":"2025-10-22T15:31:28.899Z","modified":"2025-10-22T15:46:23.973Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:C/RE:M/U:Amber","level":"low","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2025-35582","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki CookieConsent extension: from v0.1.0 before v2.0.0.","status":"published","published":"2025-10-22T15:31:28Z","modified":"2025-10-22T15:46:23Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:C/RE:M/U:Amber","level":"low"}],"updated_at":"2026-11-02T19:49:38.726368Z"}],"ghsa":[{"id":"GHSA-8vcg-8c67-qxrf","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 CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki CookieConsent extension: from v0.1.0 before v2.0.0.","status":"published","published":"2025-10-22T18:30:38Z","modified":"2025-10-22T18:30:44Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/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:N/AU:N/R:U/V:C/RE:M/U:Amber","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:11.563124Z"}],"nvd":[{"id":"CVE-2025-62659","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki CookieConsent extension: from v0.1.0 before v2.0.0.","status":"published","published":"2025-10-22T16:15:45.65Z","modified":"2026-10-08T11:10:00.25Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/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:N/AU:N/R:U/V:C/RE:M/U:Amber","level":"low","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:39.579859Z"}]}}