Timetics- AI-powered Appointment Booking with Visual Seat Plan and ultimate Calendar Scheduling Plugin < 1.0.22 - Missing Authorization to Limited Privilege Escalation

Description The Timetics- AI-powered Appointment Booking with Visual Seat Plan and ultimate Calendar Scheduling plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the make_staff() function in all versions up to, and including, 1.0.21. This makes it possible for unauthenticated attackers to grant users staff permissions.