Vulnerability Details: Arbitrary Directory Deletion Vulnerability in WP Fastest Cache
One of the changelog entries for the latest version of WP Fastest Cache is “to fix cache deletion security issue of WP-PostRatings (CVE-2019-6726 by Sebastian Neef)”. That sounds a bit odd since it is referring to a security issue with another plugin, but looking at the development log we found two entries labeled “refactoring of wp_postratings_clear_fastest_cache” that explained what was at issue.
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This post provides insights on a vulnerability in the WordPress plugin WP Fastest Cache not discovered by us, where the discoverer hadn't provided the details needed for us to confirm the vulnerability while we were adding it to the data set for our service, so the rest of its contents are limited to subscribers of our service.
If you were using our service, you would have already been warned about this vulnerability if your website is vulnerable due to it. You can try out our service for free and then see the rest of the details of the vulnerability.
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Plugin Security Scorecard Grade for WP Fastest Cache
Checked on February 28, 2025B