Redirect related posts for security issue

Hello, there is a security issue. Cracker see some configuration parameters with a link like

https://www.sitename.tlc/namepost?relatedposts=1

This can be mitigate with your plugin but i don’t know how for regular espression.

For example in source i added the string “relatedposts=1” and in destination https://www.google.com this match and your plugin intercept the url but after redirect go to

https://www.sitename.tlc/namepost?www.google.com

Something is wrong but i have to understand what