🚨 CVE-2026-52775
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki through the latest development branch contains a SQL injection vulnerability in ReactionManager::deleteUserReaction() that allows any authenticated user to inject arbitrary SQL via the {idreaction} and {id} URL path parameters. The parameters are concatenated directly into a SQL LIKE clause without escaping or parameterization. This issue has been patched in version 4.6.6.
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GitHub
fix(bazar): GHSA-4pf7-cc4r-g63h · YesWiki/yeswiki@90ca54f
YesWiki is a wiki system written in PHP, including extensions making collaboration more simple (databases, maps, easy editing, bootstrap themes,...). - fix(bazar): GHSA-4pf7-cc4r-g63h · YesWiki/yeswiki@90ca54f
September 5, 2026 13 1
