Description
YesWiki is a wiki system written in PHP. Prior to version 4.6.6, there is an authenticated PHP object injection vulnerability in BazarImportAction via unserialize. This issue has been patched in version 4.6.6.
Published: 2026-09-04
Score: 9.4 Critical
EPSS: n/a
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-9369-69wj-7m2f YesWiki Vulnerable to Authenticated PHP Object Injection in BazarImportAction via unserialize
History

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, there is an authenticated PHP object injection vulnerability in BazarImportAction via unserialize. This issue has been patched in version 4.6.6.
Title YesWiki: Authenticated PHP Object Injection in BazarImportAction via unserialize
Weaknesses CWE-352
CWE-502
References
Metrics cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-04T23:51:46.992Z

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

Link: CVE-2026-52777

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-05T00:17:20.663

Modified: 2026-09-05T00:17:20.663

Link: CVE-2026-52777

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-352

    Cross-Site Request Forgery (CSRF)

  • CWE-502

    Deserialization of Untrusted Data