Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/YesWiki/yeswiki/commit/90ca54fb518e1c43a1ead6e4f5bf9f03897898
- https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-4pf7-cc4r-g63h
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-4pf7-cc4r-g63h
FAQ
What is CVE-2026-52775?
CVE-2026-52775 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 allo...
How severe is CVE-2026-52775?
CVE-2026-52775 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-52775?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.