Cross-site request forgery (CSRF) vulnerability in cgi-bin/create_user.cgi on QNAP VioStor NVR devices with firmware 4.0.3 allows remote attackers to hijack the authentication of administrators for requests that create administrative accounts via a NEW USER action.
Cross-Site Request Forgery The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.