CVE-2026-52775 YesWiki Authenticated SQL Injection in ReactionManager

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. Th...

CVE-2026-52775

YesWiki (PHP wiki system) prior to version 4.6.6 is vulnerable to an authenticated SQL injection in ReactionManager::deleteUserReaction(). The {idreaction} and {id} URL path parameters are concatenated directly into a SQL LIKE clause without escaping, while a sibling code path correctly applies $...