The latest version of the plugin Export Users to CSV doesn’t have a changelog, which it turns out is not the only issue with it. The Subversion commit for the new version does have a log entry and that is “Security Updates”.  Looking at the changes made in that version we found that previously the plugin saved files with the WordPress users data in a way that an attacker might be able to access.

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This post provides insights on a vulnerability in the WordPress plugin Export Users to CSV 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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