WordPress TagNinja Plugin 'id' Parameter Cross Site Scripting Vulnerability

Summary
This host is running WordPress and is prone to cross site scripting vulnerability.
Impact
Successful exploitation will allow attacker to execute arbitrary code in the context of an application. Impact Level: Application
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
The flaw is caused by improper validation of user-supplied input passed via the 'id' parameter to wp-content/plugins/tagninja/fb_get_profile.php, that allows attackers to execute arbitrary HTML and script code on the web server.
Affected
WordPress TagNinja Plugin version 1.0
References