Cross-site scripting (XSS) vulnerability in flowplayer.swf in the Flash fallback feature in Flowplayer HTML5 5.4.1 allows remote attackers to inject arbitrary web script or HTML via the callback parameter, a related issue to CVE-2013-7341.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.