WordPress Booking Calendar and Notification plugin <= 4.0.3 - Missing Authorization via wpcb_all_bookings, wpcb_update_booking_post, and wpcb_delete_posts Functions vulnerability

Missing Authorization via wpcballbookings, wpcbupdatebookingpost, and wpcbdeleteposts Functions vulnerability discovered by WordFence in WordPress Plugin Booking Calendar and Notification versions = 4.0.3...