CVE-2020-6646: Fortinet FortiWeb

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

An improper neutralization of input vulnerability in FortiWeb allows a remote authenticated attacker to perform a stored cross site scripting attack (XSS) via the Disclaimer Description of a Replacement Message.

Affected products

• Fortinet FortiWeb: up to and including 6.2.2; version 6.3.0 only

Published 2020-03-17. Last modified 2026-06-17.