{"id":"CVE-2026-103047","aliases":["EUVD-2026-89486","GHSA-wm9g-fv6p-hww9"],"status":"published","title":"XSS through i18n message in CentralAuth","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00155,"percentile":0.04648,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-29T22:59:48Z","modified":"2026-09-30T21:33:07Z","products":[{"vendor":"the wikimedia foundation","product":"mediawiki - centralauth extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T244682","tags":["issue-tracking"]},{"url":"https://gerrit.wikimedia.org/r/c/1309285","tags":["mitigation"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103047"},{"url":"https://github.com/advisories/GHSA-wm9g-fv6p-hww9"}],"sources":{"cve":[{"id":"CVE-2026-103047","title":"XSS through i18n message in CentralAuth","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.","status":"published","published":"2026-09-29T22:59:48.502Z","modified":"2026-09-30T20:03:40.967Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-89486","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.","status":"published","published":"2026-09-29T22:59:48Z","modified":"2026-09-30T20:03:40Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:47.293232Z"}],"ghsa":[{"id":"GHSA-wm9g-fv6p-hww9","title":"Improper neutralization of input during web page generation ('cross-site scripting')...","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.","status":"published","published":"2026-09-30T00:32:30Z","modified":"2026-09-30T21:33:07Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:12:39.341866Z"}],"nvd":[{"id":"CVE-2026-103047","description":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.","status":"published","published":"2026-09-29T23:17:22.57Z","modified":"2026-09-30T21:17:07.96Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:52.759595Z"}]}}