WordPress ActiveHelper LiveHelp Live Chat Plugin Cross Site Scripting Vulnerability

Summary
This host is installed with Wordpress ActiveHelper LiveHelp Live Chat 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 WordPress ActiveHelper LiveHelp Live Chat Plugin version 3.1.5 or later. For updates refer to http://wordpress.org/plugins/activehelper-livehelp
Insight
Input passed via the 'message', 'email', 'name', 'company' and 'phone' parameters to server/offline.php script is not properly sanitised before returning to the user.
Affected
WordPress ActiveHelper LiveHelp Live Chat Plugin version 3.1.0 and earlier.
Detection
Send a crafted data via HTTP GET request and check whether it is able to read cookie or not.
References

Updated on 2015-03-25