Medium severity · published Apr 2, 2026
CVE-2026-34729
phpMyFAQ: Stored XSS via Regex Bypass in Filter::removeAttributes()
4.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
phpMyFAQ · thorsten
< 4.1.1 · source: vendor, NVD
Affected product
PH
phpMyFAQ
thorsten
More from phpMyFAQ
9.8
CVE-2026-111911
phpMyFAQ 4.0.0 before 4.1.9 Authentication Bypass via WebAuthn Credential Injection
9.8
CVE-2026-46364
phpMyFAQ - SQL Injection via User-Agent Header in BuiltinCaptcha
9.4
CVE-2026-66398
phpMyFAQ before 4.1.6 Remote Code Execution via Configuration API
9.1
CVE-2026-45010
phpMyFAQ - Unauthenticated Two-Factor Authentication Brute-Force via /admin/check Endpoint
8.8
CVE-2026-75918
phpMyFAQ before 4.1.7 Authentication Bypass via Tracking File