CVE-2026-46363
MEDIUM EPSS 4.8%
Published May 15, 20261mo ago · Modified Jun 17, 20262w ago
5.1 CVSS 4.0
Published May 15, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
Description
phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in FAQ creation and update endpoints that bypass sanitization through encode-decode cycles. The vulnerability allows authenticated attackers with FAQ_ADD permission to inject malicious script tags via question or answer parameters, which execute in every visitor's browser when FAQ content is rendered with the raw Twig filter.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
4.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
References 2
- github.com https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
- vulncheck.com https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.