FortiWeb 6.3.0 through 6.3.7 and versions before 6.2.4 contain an unauthenticated cross-site scripting vulnerability. Improper neutralization of input during web page generation can allow a remote attacker to inject malicious payload in vulnerable API end-points.
View the template here CVE-2021-22122.yaml
References:
https://fortiguard.com/advisory/FG-IR-20-122