CVE-2026-77606 [MEDIUM] – Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and

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 HTML. Version 7.2.0 fixes the issue.