Fortinet FortiOS is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input.
An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may allow the attacker to steal cookie-based authentication credentials and launch other attacks.
Fortinet FortiOS 5.6.0 and 5.4.0 through 5.4.5 are vulnerable.
Information
Fortinet Fortios 5.4.5
Fortinet Fortios 5.4.4
Fortinet Fortios 5.4.3
Fortinet Fortios 5.4.2
Fortinet Fortios 5.4.1
Fortinet Fortios 5.4.0
Fortinet Fortios 5.6.1
Exploit
To exploit this issue an attacker must entice an unsuspecting victim to open a malicious URI.
References:
- FortiOS Homepage (Fortinet)
- FortiOS web GUI logindisclaimer redir parameter XSS vulnerability (Fortinet)