One of the changelog entries for the latest version of Feedburner Alternative and RSS Redirect Plugin (RSS Redirect & Feedburner Alternative) is “Security patches”. Looking at the changes made in that version we found that a number of security changes were made. While some of the changes didn’t really make sense (adding sanitization where it isn’t needed or where there should have been a different security improvement), we found that protection against cross-site request forgery (CSRF) and a capabilities check were added to several AJAX accessible function, which restrict lower-level users from making changes only intended to be made by Administrators.

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This post provides insights on a vulnerability in the WordPress plugin Feedburner Alternative and RSS Redirect 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.

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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