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.
Published: 2026-09-04
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-4pf7-cc4r-g63h YesWiki has Authenticated SQL Injection via ReactionManager
History

Sat, 05 Sep 2026 03:00:00 +0000

Type Values Removed Values Added
First Time appeared Yeswiki
Yeswiki yeswiki
Vendors & Products Yeswiki
Yeswiki yeswiki

Sat, 05 Sep 2026 00:00:00 +0000

Type Values Removed Values Added
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.
Title YesWiki Authenticated SQL Injection in ReactionManager
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-04T23:51:35.523Z

Reserved: 2026-06-08T17:13:43.065Z

Link: CVE-2026-52775

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-05T00:17:20.520

Modified: 2026-09-05T00:17:20.520

Link: CVE-2026-52775

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-05T02:45:16Z

Weaknesses