Cross-site scripting (XSS) vulnerability in the rich-text-editor component in Open Ticket Request System (OTRS) before 3.0.0-beta2 allows remote authenticated users to inject arbitrary web script or HTML by using the "source code" feature in the customer interface.
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.