The CTHthemes CityBook before 2.3.4, TownHub before 1.0.6, and EasyBook before 1.2.2 themes for WordPress allow nsecure Direct Object Reference (IDOR) via wp-admin/admin-ajax.php to delete any page/post/listing.
Published January 13, 2020.
Cththemes Citybook
Cththemes Easybook
Cththemes Townhub