The changelog entry for the latest version of Import users from CSV with meta is “Security fixes to prevent Reflected Cross Site Scripting (XSS) and Cross Site Request Forgery (CSRF), thanks to Application Security for reporting”. Looking at the changes made in that version we confirmed that a cross-site request forgery (CSRF)/cross-site scripting (XSS) vulnerability was fixed in that version. That isn’t the first time someone has reported CSRF vulnerability in the admin functionality, as we did that related to other functionality in September of 2016. Looking further we found that they still didn’t fully resolve the issues with that, which we will detail in a follow up post.

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This post provides insights on a vulnerability in the WordPress plugin Import users from CSV with meta 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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