WP Fastest Cache <= 0.8.9.0 - Unauthenticated Arbitrary File Deletion

According to the original researcher: “Although a successful exploit leads to data loss and potentially a DoS against the website, because wordpress won’t find important files to run, there are several requirements which need to be met: - WP Fastest Cache is installed and the cache is activated - Wordpress is configured to use ‘pretty’ URL schemes, like // etc. - WP Postratings [1] is installed - At least one ratable post or page was published”