What is CVE-2026-34729?

CVE-2026-34729 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-02.

How severe is CVE-2026-34729?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Phpmyfaq

CVE-2026-34729

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (19.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Phpmyfaq
Thorsten Phpmyfaq — versions < 4.1.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/thorsten/phpMyFAQ/security/advisories/GHSA-cv2g-8cj8-vgc7 (Exploit, Vendor Advisory)
github.com/thorsten/phpMyFAQ/releases/tag/4.1.1 (Product)

Frequently asked questions

What is CVE-2026-34729?: CVE-2026-34729 is a medium-severity vulnerability in Phpmyfaq, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-02.
How severe is CVE-2026-34729?: Medium severity. CVSS v3 base score is 6.1 out of 10.