An improper neutralization of input during web page generation in the SSL VPN portal of FortiProxy version 2.0.0, version 1.2.9 and below and FortiOS version 6.2.1 and below, version 6.0.8 and below, version 5.6.12 may allow a remote authenticated attacker to perform a stored cross site scripting attack (XSS).
Solution:
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.