The MotoPress Hotel Booking WordPress plugin before 6.0.4 does not perform a capability check before returning a booking's full customer details in one of its AJAX actions, allowing any authenticated user with a low-privileged account (Subscriber and above) to read the personal data, including name, email, phone, and address, of any customer.
https://wpscan.com/vulnerability/c441d996-e21f-4a16-8dcc-0b0ed61aec76/