CVE-2018-9186

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-31 · updated 2026-06-17
Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability in Fortinet FortiAuthenticator in versions 4.0.0 to before 5.3.0 "CSRF validation failure" page allows attacker to execute unauthorized script code via inject malicious scripts in HTTP referer header.

Affected products

Fortinet FortiAuthenticator: from 4.0.0 before 5.3.0 — fixed in 5.3.0

How to fix

Upgrade to a fixed version: Fortinet FortiAuthenticator 5.3.0. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/104371
https://fortiguard.com/advisory/FG-IR-18-059
http://www.securityfocus.com/bid/104371
https://fortiguard.com/advisory/FG-IR-18-059

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