The CODE MONKEYS PROPOSALS WordPress plugin through 1.0.1 does not validate a user-supplied file path before deleting a file, and does not check the capability of the user making the request, allowing any authenticated user, such as a subscriber, to delete arbitrary files on the server, which can lead to a site takeover.
https://wpscan.com/vulnerability/b9340774-84c2-41ec-a770-0123dd5608c2/