smartUp, a web browser mouse gestures extension, has a universal cross-site scripting issue in the Edge and Firefox versions of smartUp 7.2.622.1170. The vulnerability allows another extension to execute arbitrary code in the context of the user’s tab. As of time of publication, no known patches exist.
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.