CVE-2026-52775 HIGH

CVE-2026-52775: YesWiki Authenticated SQL Injection in ReactionManager

Vendor Yeswiki
Product yeswiki
Weakness CWE-89 · SQLi
Published September 4, 2026
Last update September 4, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 4, 2026 CVE published

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04Related CVE

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