CVE-2026-111906: phpMyFAQ before 4.1.9 and 4.2.0-alpha before 4.2.0-beta CSRF in Elasticsearch/OpenSearch Admin API Index Operations
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 CONFIGURATIONEDIT permission to a malicious page that triggers these actions, deleting search indexes, forcing re-indexing, or exhausting resources.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
phpMyFAQto a version that resolves this vulnerability.Fixed in 4.1.9 - Upgrade
Upgrade
phpMyFAQto a version that resolves this vulnerability.Fixed in 4.2.0-beta
Event History
Frequently Asked Questions
Who can be targeted by this issue?
An attacker must be able to lure a phpMyFAQ user who has the CONFIGURATION_EDIT permission to visit a malicious page. The affected actions are the Elasticsearch and OpenSearch administration API index operations.
What could a successful attack do?
A forged request can invoke create, drop, or import actions on search indexes. This can delete indexes, force re-indexing, or exhaust resources, resulting in an availability impact.
Which releases contain the fix?
The issue affects phpMyFAQ versions before 4.1.9 and 4.2.0-alpha releases before 4.2.0-beta. Upgrading to 4.1.9 or to 4.2.0-beta or later addresses the affected version ranges.