ClanSphere 'where' Parameter Cross-Site Scripting Vulnerability

Summary
The host is installed with ClanSphere and is prone to xss vulnerability.
Impact
Successful exploitation will allow remote attackers to execute arbitrary HTML and script code in a users browser session in the context of an affected site. Impact Level: Application
Solution
No solution or patch is available as of 23th January, 2015. Information regarding this issue will be updated once the solution details are available. For updates refer http://www.csphere.eu
Insight
Input passed via the 'where' parameter to '/index.php' is not properly sanitised before being returned to the user.
Affected
ClanSphere version 2011.4, Prior versions may also be affected.
Detection
Send a crafted data via HTTP GET request and check whether it is able to read cookie or not.
References