WordPress Symposium Plugin XSS Vulnerability

Summary
This host is running WordPress with Symposium plugin and is prone to cross site scripting vulnerability.
Impact
Successful exploitation will allow remote attackers to insert arbitrary HTML and script code, which will be executed in a user's browser session in the context of an affected site. Impact Level: Application
Solution
Upgrade Wordpress Symposium Plugin version 13.04 or later, For updates refer to http://wordpress.org/extend/plugins/wp-symposium
Insight
The input passed via 'u' parameters to 'wordpress/wp-content/plugins/wp-symposium/invite.php' script is not properly validated before being returned to the user.
Affected
WordPress Symposium Plugin version 13.02 and prior
References