Exponent CMS 'src' POST Parameter Cross-Site Scripting Vulnerability

Summary
This host is installed with Exponent CMS and is prone to xss vulnerability.
Impact
Successful exploitation will allow attacker to execute arbitrary HTML and script code in the context of an affected site. Impact Level: Application
Solution
No solution or patch is available as of 9th February, 2015. Information regarding this issue will updated once the solution details are available. For updates refer to http://www.exponentcms.org
Insight
Flaw is due to improper sanitization of user supplied input passed via 'src' parameter in the search action to index.php
Affected
Exponent CMS version 2.3.0, Prior versions may also be affected.
Detection
Send a crafted request via HTTP GET and check whether it is able to read cookie or not.
References