Wordfence Argus Finds Critical Authentication Bypass in WPMU DEV Dashboard Plugin
Wordfence researchers disclosed a critical unauthenticated authentication bypass in the WPMU DEV Dashboard plugin, enabling admin takeover and possible RCE.
During internal research on August 19, 2026, Wordfence discovered an authentication bypass in the WPMU DEV Dashboard WordPress plugin, which has roughly 350,000 active installations. Unauthenticated attackers can gain administrator access when Hub Single-Sign On is enabled, enabling complete site takeover. If an administrator-writable code mechanism such as the plugin or theme editor is available, the flaw can lead to remote code execution.