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
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

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

Wed, 09 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


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: 2026-09-08T18:05:15.099Z

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

Link: CVE-2026-52775

cve-icon Vulnrichment

Updated: 2026-09-08T18:05:03.343Z

cve-icon NVD

Status : Deferred

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

Modified: 2026-09-08T21:05:26.920

Link: CVE-2026-52775

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses