The changelog for the latest version of the WordPress plugin WP Server Health Stats is “Fixed CSRF vulnerability (CVSS 3.1 score) reported by Patchstack.” Looking at the changes made we found that referred to attempting to address an issue that allows an attacker to cause someone logged in to WordPress to purge the plugin’s cache without them intending it, which would be a cross-site request forgery (CSRF) vulnerability. The developer had attempted to fix that it in the new version, but didn’t do so correctly, so the really minor vulnerability still exists.

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This post provides insights on a vulnerability in a WordPress plugin 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.

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