CVE-2026-52772 PUBLISHED

YesWiki: Bazar form-field templates still apply `|raw('html')` to `field.label` / `field.hint` in attribute and label-body contexts — stored XSS in form renders (sibling class of commit `e6b66aa`)

Assigner: GitHub_M
Reserved: 08.06.2026 Published: 04.09.2026 Updated: 04.09.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CVSS Score: 5.5

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	High	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	YesWiki
Product	yeswiki
Versions	Version < 4.6.6 is affected

References

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE
CWE-116: Improper Encoding or Escaping of Output CWE