clientResponse Client Management 4.1 - Cross-Site Scripting

# Exploit Title: clientResponse Client Management XSS Vulnerability
# Date: 14-10-2014
# Exploit Author: Halil Dalabasmaz
# Version: v4.1
# Vendor Homepage:
http://codecanyon.net/item/clientresponse-responsive-php-client-management/3797780
# Tested on: Chrome & Iceweasel

# Vulnerability Description:

===Stored XSS===
The message system of script is not secure. You can run XSS payloads on
"Subject" and "Message" inputs. If you use "Subject" input for attack and
send the message to admin when admin login the system it will be directly
affect by vulnerability. Also profile section inputs are vulnerable.

Sample Payload for Stored XSS: "><script>alert(document.cookie);</script>

=Solution=
Filter the input fields against to XSS attacks.
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