CVE-2023-29183: Fortinet FortiOS

Medium severity, CVSS 5.4. EPSS: 1.3% chance of exploitation in the next 30 days.

An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiProxy 7.2.0 through 7.2.4, 7.0.0 through 7.0.10 and FortiOS 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.14 GUI may allow an authenticated attacker to trigger malicious JavaScript code execution via crafted guest management setting.

Affected products

• Fortinet FortiOS: from 6.2.0, before 6.2.15 (fixed in 6.2.15); from 6.4.0, before 6.4.13 (fixed in 6.4.13); from 7.0.0, before 7.0.12 (fixed in 7.0.12); from 7.2.0, before 7.2.5 (fixed in 7.2.5)
• Fortinet FortiProxy: from 7.0.0, before 7.0.11 (fixed in 7.0.11); from 7.2.0, before 7.2.5 (fixed in 7.2.5)

Published 2023-09-13. Last modified 2026-06-17.