VulnerabilityDeferred

CVE-2026-52772

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.

MEDIUM 5.5EPSS 0.20%

Does this matter?

Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 5.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
EPSS: 0.20% probability · 10th percentile
CISA KEV: Not listed
Weakness: CWE-79, CWE-116
Source: security-advisories@github.com

References

https://github.com/YesWiki/yeswiki/commit/5d1a4d07fecb0706f33e5dfbbe6ff5ef1892b2a7
https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-xc7j-3g8q-9vh4
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-xc7j-3g8q-9vh4

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.