Vulnerability · Published Apr 2, 2026 · Assigned by GitHub_M

CVE-2026-34729phpMyFAQ: Stored XSS via Regex Bypass in Filter::removeAttributes()

Medium 6.1

In plain English

A medium-severity cross-site scripting in phpMyFAQ from thorsten. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.3%top 83.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, there is a stored XSS vulnerability via Regex Bypass in Filter::removeAttributes(). This issue has been patched in version 4.1.1.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	phpmyfaq/phpmyfaq	4.1.1	GHSA-cv2g-8cj8-vgc7

Affected products (as reported)

Vendor	Product	Versions
thorsten	phpMyFAQ	< 4.1.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N

References

https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-cv2g-8cj8-vgc7 x_refsource_CONFIRM
https://github.com/thorsten/phpMyFAQ/releases/tag/4.1.1 x_refsource_MISC