CVE-2019-16151

Medium

Description

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiOS 6.4.1 and below, 6.2.9 and below may allow a remote unauthenticated attacker to either redirect users to malicious websites via a crafted "Host" header or to execute JavaScript code in the victim's browser context. This happens when the FortiGate has web filtering and category override enabled/configured.

SeverityMedium
CVSS4.7
Exploit probability—
ProductFortinet Fortios
PublishedMar 21, 2025
First seenMar 21, 2025

How to fix

Update
  • fortinet fortios6.2.10, 6.4.2 or later

Affected products

ProductAffected versionsFixed in
fortinet fortios6.2.0 ≤ v < 6.2.10, 6.4.0 ≤ v < 6.4.26.2.10, 6.4.2

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CVE-2019-16151 · Fortinet Fortios · Dark Radar