The RapidLoad Power-Up for Autoptimize plugin for WordPress is vulnerable to unauthorized settings update due to a missing capability check on the ajax_deactivate function in versions up to, and including, 1.7.1. This makes it possible for authenticated attackers with subscriber-level access to disable caching.
https://www.wordfence.com/threat-intel/vulnerabilities/id/b2296800-93d6-48fa-aa09-3d28fa6371d7