CVE-2026-52772
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
ProductYeswiki/yeswiki
PublishedSep 5, 2026
First seenSep 5, 2026
Weakness typeCWE-79Cross-site scripting (XSS)CWE-116CWE-116
How to fix
Update
- yeswiki/yeswiki4.6.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| yeswiki/yeswikiPackagist | v < 4.6.6 | 4.6.6 |
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