{"id":"CVE-2026-103584","aliases":["EUVD-2026-90430","GHSA-v276-8895-8m7m"],"status":"published","title":"attacker-controlled javascript license URL via XSS","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS).\n\nThis issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.","severity":{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00285,"percentile":0.21264,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-80"],"published":"2026-09-30T22:14:27Z","modified":"2026-10-01T16:17:36Z","exploits":[{"source":"pocgithub","id":"BomboBombone/CVE-2026-103584","title":"BomboBombone/CVE-2026-103584","date":"2026-10-01","url":"https://github.com/BomboBombone/CVE-2026-103584"}],"products":[{"vendor":"the wikimedia foundation","product":"mediawiki commonsmetadata extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T435999"},{"url":"https://gerrit.wikimedia.org/r/q/I66c102cae36a9d499c95c37db7458371c7c87258"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103584"},{"url":"https://github.com/advisories/GHSA-v276-8895-8m7m"}],"sources":{"cve":[{"id":"CVE-2026-103584","title":"attacker-controlled javascript license URL via XSS","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS).\n\nThis issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.","status":"published","published":"2026-09-30T22:14:27.101Z","modified":"2026-10-01T15:53:45.772Z","cvss":[{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"low","assessor":"cna"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T13:34:48.658051Z"}],"euvd":[{"id":"EUVD-2026-90430","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS).\n\nThis issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.","status":"published","published":"2026-09-30T22:14:27Z","modified":"2026-10-01T15:53:45Z","cvss":[{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:C/RE:M/U:Amber","level":"low"}],"updated_at":"2026-11-02T17:27:44.672309Z"}],"ghsa":[{"id":"GHSA-v276-8895-8m7m","title":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in...","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS).\n\nThis issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.","status":"published","published":"2026-10-01T00:32:49Z","modified":"2026-10-01T00:32:56Z","cvss":[{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/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:Y/R:U/V:C/RE:M/U:Amber","level":"low"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T15:12:39.341866Z"}],"nvd":[{"id":"CVE-2026-103584","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki CommonsMetadata extension allows Cross-Site Scripting (XSS).\n\nThis issue affects MediaWiki CommonsMetadata extension: 1.46, 1.45, and 1.43.","status":"published","published":"2026-09-30T23:16:57.737Z","modified":"2026-10-01T16:17:36.807Z","cvss":[{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/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:Y/R:U/V:C/RE:M/U:Amber","level":"low","assessor":"secondary"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:12:53.097633Z"}]}}