Use of Single-factor Authentication Affecting phpmyfaq/phpmyfaq package, versions <4.1.8
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-PHPMYFAQPHPMYFAQ-20187777
- published28 Sept 2026
- disclosed4 Sept 2026
- creditUnknown
Introduced: 4 Sep 2026
NewCVE-2026-85590 (opens in a new tab)How to fix?
Upgrade phpmyfaq/phpmyfaq to version 4.1.8 or higher.
Overview
phpmyfaq/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases
Affected versions of this package are vulnerable to Use of Single-factor Authentication through the removeTwofactorConfig process and the twofactor_enabled form field, which are accessible via POST /api/user/remove-twofactor and PUT /api/user/data/update respectively. An attacker can disable two-factor authentication for any account, including administrator accounts, by hijacking a user's session and submitting requests with a valid CSRF token, thereby reducing authentication requirements to password-only and potentially gaining unauthorized access.