One of the changelog entries for a recent version of Slimstat Analytics is “[Fix] License keys for premium add-ons were not being saved as expected, due to a side effect of the new security features we implemented in the Settings.”. When we went to see if a previous version had introduced a security fix, when found, somewhat confusingly, that the new version was introducing a security fix.

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This post provides insights on a vulnerability in the WordPress plugin Slimstat Analytics 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.

For existing customers, please log in to your account to view the rest of the contents of the post.