An improper access control vulnerability [CWE-284] in FortiWLC 8.6.1 and below may allow an authenticated and remote attacker with low privileges to execute any command as an admin user with full access rights via bypassing the GUI restrictions.

An OS Command Injection vulnerability in Fortinet FortiWLC 6.1-2 through 6.1-5, 7.0-7 through 7.0-10, 8.0 through 8.2, and 8.3.0 through 8.3.2 file management AP script download webUI page allows an authenticated admin user to execute arbitrary system console commands via crafted HTTP requests.

A Cross-Site Scripting (XSS) vulnerability in Fortinet FortiWLC 6.1-x (6.1-2, 6.1-4 and 6.1-5); 7.0-x (7.0-7, 7.0-8, 7.0-9, 7.0-10); and 8.x (8.0, 8.1, 8.2 and 8.3.0-8.3.2) allows an authenticated user to inject arbitrary web script or HTML via non-sanitized parameters "refresh" and "branchtotable" present in HTTP POST requests.