CVE-2026-52772

MEDIUM CVSS 3.1: 5.5 EPSS 0.20%
Updated Sep 05, 2026
PHP
Parameter Value
CVSS 5.5 (MEDIUM)
Fixed In 4.6.6
Type CWE-116 (Improper Encoding or Escaping of Output), CWE-79 (Cross-Site Scripting (XSS))
Vendor PHP
Public PoC No

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, Bazar form-field templates still apply |raw('html') to field.label / field.hint in attribute and label-body contexts, resulting stored XSS in form renders. This issue has been patched in version 4.6.6.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1