CVE-2019-16151

6.1 mediumEPSS 0.4%

Medium (6.1) in fortinet fortios. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 31% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-03-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortios

References

https://fortiguard.com/advisory/FG-IR-19-301

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