CVE-2026-111906

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.

CVSS 4.0

7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-352

Published

2026-10-17

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

References

• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-cmvh-fpmf-8gfx
• 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
• https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-cmvh-fpmf-8gfx

Check your stackJSON