CVE-2026-52772

CVE-2026-52772

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.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-52772?
CVE-2026-52772 is a medium-severity vulnerability, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2026-09-05.
How severe is CVE-2026-52772?
Medium severity. CVSS v3 base score is 5.5 out of 10.