CVE-2026-35676: phpMyFAQ - Unauthenticated Password Reset via User Password Update Endpoint

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-28 · updated 2026-10-26
Weakness: CWE-640

Description

phpMyFAQ before 4.1.3 contains an unauthenticated password reset vulnerability in the user password update API endpoint that allows attackers to change account passwords without token validation. Attackers can enumerate valid username and email pairs and force immediate password changes by sending PUT requests to the /api/index.php/user/password/update endpoint, causing account disruption and invalidating legitimate user credentials.

Affected products

thorsten phpMyFAQ: before 4.1.3 — fixed in 4.1.3

How to fix

Upgrade to a fixed version: thorsten phpMyFAQ 4.1.3. Check the vendor advisory for mitigations.

References

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