The WP Hotel Booking plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the hotel_booking_load_order_user AJAX action in all versions up to, and including, 2.1.6. This makes it possible for authenticated attackers, with Subscriber-level access and above, to retrieve a list of registered user emails.
The WP Hotel Booking plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check when adding rooms in all versions up to, and including, 2.1.5. This makes it possible for unauthenticated attackers to add rooms with custom prices.