CVE-2026-52775EPSS p39.5%
CVE-2026-52775CVE-2026-52775
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.
Scoring
| CVSS | 8.8 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.48% probability of exploitation · percentile 39.5% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-08 |