FortiOS Web User Interface in 5.0.x before 5.0.13, 5.2.x before 5.2.3, and 5.4.x before 5.4.0 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks or cross-site scripting attacks via the “redirect” parameter to “login.”
View the template here CVE-2016-3978.yaml
References:
http://www.securitytracker.com/id/1035332