The Rox Appointment Booking WordPress plugin before 1.2.8 does not perform any authorization check on the endpoints that return booking service and category records, allowing unauthenticated attackers to read the private internal notes stored on each service and category.

The Rox Appointment Booking WordPress plugin before 1.2.8 does not perform any authorization check on the endpoints that return booking service and category records, allowing unauthenticated attackers to read the private internal notes stored on each service and category.