CVE-2019-16154: Fortinet Fortiauthenticator

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

An improper neutralization of input during web page generation in FortiAuthenticator WEB UI 6.0.0 may allow an unauthenticated user to perform a cross-site scripting attack (XSS) via a parameter of the logon page.

Affected products

• Fortinet Fortiauthenticator: version 6.0.0 only

Published 2020-01-07. Last modified 2026-06-17.