{"id":"CVE-2026-103584","title":"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 …","summary":"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 …","severity":"low","cvss":1.1,"cvssVector":"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","cwe":["CWE-80"],"vendor":"The Wikimedia Foundation","product":"MediaWiki CommonsMetadata extension","affected":["mediawiki_commonsmetadata_extension 1.46","mediawiki_commonsmetadata_extension 1.45","mediawiki_commonsmetadata_extension 1.43"],"published":"2026-09-30","updated":"2026-10-01","sourceUpdated":"2026-10-01T16:17:36.807","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103584","references":[{"url":"https://gerrit.wikimedia.org/r/q/I66c102cae36a9d499c95c37db7458371c7c87258","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T435999","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}],"tags":["nvd","cve.org","exploit-available"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-01T15:52:52.080179Z"},"cvssSource":"cna","exploits":{"github":1,"githubRepos":["https://github.com/BomboBombone/CVE-2026-103584"],"checkedAt":"2026-10-27T16:53:49.875Z"},"exploitAvailable":true,"ingestedAt":"2026-09-30T22:27:27.821Z","epss":0.00285,"epssPercentile":0.20872,"slug":"CVE-2026-103584","body":"## Overview\n\nImproper 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":18,"depthScoreParts":{"impact":6.1,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":214269,"id":"CVE-2026-103584","ts":1790858670391,"field":"exploit_available","old":"false","new":"true"}]}