---
id: CVE-2026-46363
title: phpMyFAQ - Stored XSS in FAQ Question/Answer via Encode-Decode Bypass
summary: >-
  phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in
  FAQ creation and update endpoints that bypass sanitization through
  encode-decode cycles. The vulnerability allows authenticated attackers with
  FAQ_ADD permissi…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-79
vendor: thorsten
product: phpmyfaq
affected:
  - phpmyfaq < 4.1.2
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-05-15T20:01:20.128213Z'
exploitAvailable: true
published: '2026-05-15'
updated: '2026-11-08'
sourceUpdated: '2026-11-08T14:03:55.354Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-46363'
references:
  - url: >-
      https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-f5p7-2c9q-8896
    label: GitHub Security Advisory (GHSA-f5p7-2c9q-8896)
  - url: >-
      https://www.vulncheck.com/advisories/phpmyfaq-stored-xss-in-faq-question-answer-via-encode-decode-bypass
    label: >-
      VulnCheck Advisory: phpMyFAQ - Stored XSS in FAQ Question/Answer via
      Encode-Decode Bypass
tags:
  - cve.org
  - exploit-available
epss: 0.00187
epssPercentile: 0.0834
ingestedAt: '2026-11-08T14:51:22.418Z'
---

## Overview

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in FAQ creation and update endpoints that bypass sanitization through encode-decode cycles. The vulnerability allows authenticated attackers with FAQ_ADD permission to inject malicious script tags via question or answer parameters, which execute in every visitor's browser when FAQ content is rendered with the raw Twig filter.

## Affected

- `phpmyfaq < 4.1.2`

## Remediation

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