CVE-2024-23111

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-11 · updated 2026-06-17
Weakness: CWE-79

Description

An improper neutralization of input during web page Generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiOS version 7.4.3 and below, 7.2 all versions, 7.0 all versions and FortiProxy version 7.4.2 and below, 7.2 all versions, 7.0 all versions reboot page may allow a remote privileged attacker with super-admin access to execute JavaScript code via crafted HTTP GET requests.

Affected products

Fortinet FortiOS (FortiGate): from 7.0.0 before 7.0.14; from 7.2.0 before 7.2.8; from 7.4.0 before 7.4.4 — fixed in 7.0.14, 7.2.8, 7.4.4
Fortinet FortiProxy: from 7.0.0 before 7.0.15; from 7.2.0 before 7.2.9; from 7.4.0 before 7.4.3 — fixed in 7.0.15, 7.2.9, 7.4.3

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 7.0.14, 7.2.8, 7.4.4; Fortinet FortiProxy 7.0.15, 7.2.9, 7.4.3. Check the vendor advisory for mitigations.

References

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