The Ad Inserter Free and Pro WordPress plugins before 2.7.12 do not sanitise and escape the REQUEST_URI before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting in browsers which do not encode characters
https://wpscan.com/vulnerability/85582b4f-a40a-4394-9834-0c88c5dc57ba
http://packetstormsecurity.com/files/166626/WordPress-Ad-Inserter-Cross-Site-Scripting.html