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.

• CWE-89

• https://github.com/YesWiki/yeswiki/commit/90ca54fb518e1c43a1ead6e4f5bf9f0389789841
• 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

Published

Sep 5, 2026

Last Modified

Sep 8, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-5277Integer overflow in ANGLE in Google Chrome on Windows prior …7.5
• CVE-2026-52770YesWiki is a wiki system written in PHP. Prior to version 4.…7.5
• CVE-2026-52771YesWiki is a wiki system written in PHP. From version 4.2.0 …8.3
• CVE-2026-52772YesWiki is a wiki system written in PHP. Prior to version 4.…5.5
• CVE-2026-52773YesWiki is a wiki system written in PHP. From version 4.1.0 …6.1
• CVE-2026-52774YesWiki is a wiki system written in PHP. Prior to version 4.…6.1
• CVE-2026-52776Compliance-trestle (Trestle) is a tooling platform for manag…8.6
• CVE-2026-52777YesWiki is a wiki system written in PHP. Prior to version 4.…9.4
• CVE-2026-52778YesWiki is a wiki system written in PHP. Prior to version 4.…9.8
• CVE-2026-52779OpenProject is open-source, web-based project management sof…5.4
• CVE-2026-5278Use after free in Web MIDI in Google Chrome on Android prior…8.8
• CVE-2026-52780OpenProject is open-source, web-based project management sof…9.6