CVE-2026-52777CWE-352CWE-502insecure-deserializationcsrf

CVE-2026-52777

published September 5, 2026

CVSS
9.4
EPSS
0%
Percentile
19.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
9.4 · NONE
CVSS v4.0
9.4 · 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
EPSS
0.00276 · 19.0th percentile
Weaknesses
CWE-352 · Cross-Site Request Forgery (CSRF); CWE-502 · Deserialization of Untrusted Data
Published
2026-09-05T04:17Z
References (3)
https://github.com/YesWiki/yeswiki/commit/8f70a8d6b8befa0e644d03c785701dbbc55b8fd0 · [email protected]https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6 · [email protected]https://github.com/YesWiki/yeswiki/security/advisories/GHSA-9369-69wj-7m2f · [email protected]
EPSS history
Timeline
  • 09 SEP 03:19Z
    EPSS moved — → 0%
    epss
  • 04 SEP 23:51Z
    YesWiki: Authenticated PHP Object Injection in BazarImportAction via unserialize
    cvelistv5