CVE-2026-116512: Project Manager <= 4.1.1 - Unauthenticated Remote Code Execution via 'id' Parameter Function Injection

The Project Manager – AI Powered Project Management, Task Management, Kanban Board & Time Tracker plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.1.1 via the 'id' parameter parameter. This is due to unsanitized 'id' parameter value concatenated directly into the pipe-delimited validation rule string, which is then split and each token invoked as a dynamic PHP function with no allowlist check. This makes it possible for unauthenticated attackers to execute code on the server. This is exploitable by unauthenticated attackers because WordPress core executes the route argument's validatecallback inside WPRESTServer::dispatch() before the route's permissioncallback is invoked, meaning the ProjectManageCapability authorization gate is never reached on the vulnerable code path.