CVE-2026-35672

HIGH EPSS 30.2%

Published May 28, 20261mo ago · Modified Jun 17, 20262w ago

8.7 CVSS 4.0

High

Published May 28, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

Description

phpMyFAQ before 4.1.3 contains an authentication bypass vulnerability in API v4.0 where the default empty api.apiClientToken allows unauthenticated users to create and modify FAQ entries. Attackers can send an empty x-pmf-token header to bypass token validation and inject malicious content via POST endpoints /api/v4.0/faq/create, /api/v4.0/category, and /api/v4.0/question.

CVSS Details

Base Score

8.7

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/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 None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

30.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-1188

References 2

github.com https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-gp95-j463-vv28
vulncheck.com https://www.vulncheck.com/advisories/phpmyfaq-authentication-bypass-via-empty-api-token

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.