---
id: CVE-2026-111906
title: >-
  phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta CSRF in
  Elasticsearch/OpenSearch Admin API Index Operations
summary: >-
  phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains a cross-site
  request forgery vulnerability in the Elasticsearch and OpenSearch
  administration API endpoints, which do not validate a CSRF token for the
  create, drop, and im…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-352
vendor: thorsten
product: phpMyFAQ
affected:
  - phpMyFAQ < 4.1.9
  - phpMyFAQ >= 4.2.0-alpha < 4.2.0-beta
published: '2026-10-17'
updated: '2026-10-17'
sourceUpdated: '2026-10-17T18:46:25.460Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111906'
references:
  - url: >-
      https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-cmvh-fpmf-8gfx
    label: GitHub Security Advisory (GHSA-cmvh-fpmf-8gfx)
  - url: >-
      https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.9-and-4.2.0-alpha-before-4.2.0-beta-csrf-in-elasticsearch-opensearch-admin-api-index-operations
    label: >-
      VulnCheck Advisory: phpMyFAQ before 4.1.9 and 4.2.0-alpha before
      4.2.0-beta CSRF in Elasticsearch/OpenSearch Admin API Index Operations
tags:
  - cve.org
ingestedAt: '2026-10-17T19:08:56.807Z'
---

## Overview

phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta contains a cross-site request forgery vulnerability in the Elasticsearch and OpenSearch administration API endpoints, which do not validate a CSRF token for the create, drop, and import actions. Attackers can lure a user with CONFIGURATION_EDIT permission to a malicious page that triggers these actions, deleting search indexes, forcing re-indexing, or exhausting resources.

## Affected

- `phpMyFAQ < 4.1.9`
- `phpMyFAQ >= 4.2.0-alpha < 4.2.0-beta`

## Remediation

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