CVE-2017-7734: Fortinet FortiOS

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

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.4.0 through 5.4.4 allows attackers to execute unauthorized code or commands via 'Comments' while saving Config Revisions.

Affected products

• Fortinet FortiOS: version 5.4.0 only; version 5.4.1 only; version 5.4.2 only; version 5.4.3 only; version 5.4.4 only

Published 2017-09-12. Last modified 2026-06-17.