The Inshot com.downloader.privatebrowser (aka Video Downloader - XDownloader) application through 1.3.5 for Android allows an attacker to execute arbitrary JavaScript code via the com.downloader.privatebrowser.activity.PrivateMainActivity component.
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.