phpMyFAQ: Missing Password Reset Token Allows Account Takeover via Username/Email Enumeration

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS

8.2 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

EPSS

• CVE-2026-35675: 0.42% estimated exploitation activity in the next 30 days; percentile 36.02 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Summary An authentication bypass vulnerability in phpMyFAQ allows any unauthenticated attacker to reset the password of any user account, including SuperAdmin accounts. By sending a PUT request with just a valid username and associated email address to /api/user/password/update, an attacker receives a new plaintext password via email without any token verification, rate limiting, or email confirmation. This enables complete account takeover of any user, including full administrative access. Details File: phpmyfaq/src/phpMyFAQ/Controller/Frontend/Api/UnauthorizedUserController.php Lines: 56-130 The updatePassword() method at line 56 accepts PUT requests to /user/password/update with only username and email in the JSON body: #[Route(path: 'user/password/update', name: 'api.private.user.password', methods: ['PUT'])] Root Causes: 1. No time-limited cryptographic token required for password reset 2. No rate limiting on the endpoint (allows unlimited username/email enumeration) 3. No…

Published by the source

20 May 2026, 15:46 UTC

Last modified by the source

31 May 2026, 05:51 UTC

Source last checked

26 Oct 2026, 14:48 UTC

1. Revision 1 · created · 26 Oct 2026

   Published from ghsa record GHSA-w9xh-5f39-vq89

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2026-35675

Advisory: phpMyFAQ: Missing Password Reset Token Allows Account Takeover via Username/Email Enumeration
IDs: CVE-2026-35675, GHSA-w9xh-5f39-vq89
Record: https://patchnext.com/advisories/cve-2026-35675 (revision 1, source checked 26 Oct 2026, 14:48 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.2)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: phpmyfaq/phpmyfaq 4.1.3; thorsten/phpmyfaq 4.1.3. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist phpmyfaq/phpmyfaq: affected < 4.1.3; fixed in 4.1.3
- Packagist thorsten/phpmyfaq: affected < 4.1.3; fixed in 4.1.3

## Suggested inspection (read-only)
- Packagist phpmyfaq/phpmyfaq: check the installed version with your package manager.
- Packagist thorsten/phpmyfaq: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on phpmyfaq/phpmyfaq, thorsten/phpmyfaq.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-w9xh-5f39-vq89 (GitHub-reviewed advisory GHSA-w9xh-5f39-vq89 lists affected ranges: Packagist thorsten/phpmyfaq >=0 =0 <4.1.3)

Commands are suggestions: review each one before running it.