e107 'Referer' Header Cross-Site Scripting Vulnerability

Summary
This host is running e107 and is prone to remote Cross-Site Scripting vulnerability.
Impact
Attackers can exploit this issue 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 e107 version 0.7.22 or later, For updates refer to http://e107.org/edownload.php
Insight
The flaw exists due to error in 'email.php' in 'news.1' action. It does not properly filter HTML code from user-supplied input in the HTTP 'Referer' header before displaying the input.
Affected
e107 version 0.7.16 and prior.
References