{"id":"CVE-2026-77606","title":"Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages","summary":"Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when `headers=plain`, table header text was emitted into `<th>` via a raw HTML path. U…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"mediawiki","product":"mediawiki/semantic-media-wiki","affected":["mediawiki/semantic-media-wiki <= 7.1.0"],"patched":["mediawiki/semantic-media-wiki 7.2.0"],"published":"2026-09-18","updated":"2026-09-18","sourceUpdated":"2026-09-18T17:17:00.837","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77606","references":[{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.2.0","label":"security-advisories@github.com"},{"url":"https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-3jp5-3h47-28qf","label":"security-advisories@github.com"},{"url":"https://github.com/advisories/GHSA-3jp5-3h47-28qf"}],"tags":["nvd","ghsa","composer","cve.org"],"aliases":["GHSA-3jp5-3h47-28qf"],"ecosystem":"composer","ingestedAt":"2026-09-18T16:45:41.402Z","epss":0.00155,"epssPercentile":0.04989,"slug":"CVE-2026-77606","body":"## Overview\n\nSemantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Prior to version 7.2.0, when `headers=plain`, table header text was emitted into `<th>` via a raw HTML path. User-controlled `mainlabel` content could therefore become executable HTML. Version 7.2.0 fixes the issue.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-77606)\n\nAffected packages:\n\n- `mediawiki/semantic-media-wiki <= 7.1.0`\n\nPatched in:\n\n- `mediawiki/semantic-media-wiki 7.2.0`\n\nSource: https://github.com/advisories/GHSA-3jp5-3h47-28qf","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}