WordPress Advanced Custom Fields: Extended plugin 0.9.0.5-0.9.1.1 - Unauthenticated Remote Code Execution vulnerability

Unauthenticated Remote Code Execution vulnerability discovered by Marcin Dudek dudekmar - CERT.PL in WordPress Plugin Advanced Custom Fields: Extended versions 0.9.0.5-0.9.1.1...

100,000 WordPress Sites Affected by Remote Code Execution Vulnerability in Advanced Custom Fields: Extended WordPress Plugin

On November 18th, 2025, we received a submission for an unauthenticated Remote Code Execution vulnerability in Advanced Custom Fields: Extended, a WordPress plugin with more than 100,000 active installations. This vulnerability can be leveraged to execute code remotely. Props to dudekmar who...