## Summary 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 is a sibling of CVE-2026-46670 (unauthenticated SQLi in `FormManager::create()`). Both share the same root cause — raw string concatenatio