WordPress Easy Post Types 'media.php' Cross Site Scripting Vulnerability

Summary
This host is installed with WordPress Easy Post Types Plugin and is prone to cross site scripting vulnerability.
Impact
Successful exploitation will allow attacker to execute arbitrary HTML and script code in a user's browser session in the context of an affected site. Impact Level: Application
Solution
Upgrade to version 1.4.4 or higher, For updates refer to http://wordpress.org/plugins/easy-post-types
Insight
Flaw exists as the classes/custom-image/media.php script does not validate input to the 'ref' GET parameter before returning it to users.
Affected
WordPress WP Easy Post Types Plugin version 1.4.3, and possibly prior.
Detection
Send a crafted data via HTTP GET request and check whether it is able to read cookie or not.
References