---
id: CVE-2026-56396
title: >-
  phpMyFAQ - Privilege Escalation via Missing Authorization in editUser() and
  updateUserRights()
summary: >-
  phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in
  editUser() and updateUserRights() endpoints that allow authenticated
  administrators to escalate privileges. Non-SuperAdmin users with edit_user
  permission can set is…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-862
vendor: phpMyFAQ
product: phpMyFAQ
affected:
  - phpMyFAQ < 4.1.4
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-06-23T14:01:18.426641Z'
exploitAvailable: true
published: '2026-06-21'
updated: '2026-11-08'
sourceUpdated: '2026-11-08T14:06:12.681Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-56396'
references:
  - url: >-
      https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-985r-q3qp-299h
    label: GitHub Security Advisory (GHSA-985r-q3qp-299h)
  - url: >-
      https://www.vulncheck.com/advisories/phpmyfaq-privilege-escalation-via-missing-authorization-in-edituser-and-updateuserrights
    label: >-
      VulnCheck Advisory: phpMyFAQ - Privilege Escalation via Missing
      Authorization in editUser() and updateUserRights()
tags:
  - cve.org
  - exploit-available
epss: 0.00442
epssPercentile: 0.38686
ingestedAt: '2026-11-08T14:51:22.347Z'
---

## Overview

phpMyFAQ before 4.1.4 contains missing authorization vulnerabilities in editUser() and updateUserRights() endpoints that allow authenticated administrators to escalate privileges. Non-SuperAdmin users with edit_user permission can set is_superadmin flag or grant arbitrary rights to escalate to SuperAdmin access.

## Affected

- `phpMyFAQ < 4.1.4`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.