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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-05 00:17

Updated : 2026-09-08 21:05

NVD link : CVE-2026-52775

Mitre link : CVE-2026-52775

CVE.ORG link : CVE-2026-52775

JSON object : View

Products Affected

No product.

CWE

CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

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