Vulnerability · Published Oct 17, 2026 · Assigned by VulnCheck

CVE-2026-111906phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta CSRF in Elasticsearch/OpenSearch Admin API Index Operations

Medium 6.5

In plain English

A medium-severity cross-site request forgery in phpMyFAQ from thorsten. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.2%top 95.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
thorsten	phpMyFAQ	0 – before 4.1.9
thorsten	phpMyFAQ	4.2.0-alpha – before 4.2.0-beta

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

GitHub Security Advisory (GHSA-cmvh-fpmf-8gfx) vendor-advisory
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 third-party-advisory