CVE-2026-77606

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 via a raw HTML path. User-controlled mainlabel content could therefore become executable...

CVE-2026-77606

Semantic MediaWiki , a free open-source extension to MediaWiki, is affected by a reflected XSS vulnerability in Special:Ask when the headers=plain option is used. Table header text was emitted into elements via a raw HTML path , allowing user-controlled mainlabel content to become executable HTM...

CVE-2026-77606 Semantic MediaWiki has reflected XSS in Special:Ask plain table headers

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 via a raw HTML path. User-controlled mainlabel content could therefore become executable...