CVE-2023-22637 Cross-site scripting in FortiNAC

Medium 5.9 Published 3 May 2023 Updated 23 Oct 2024

An authenticated attacker can trigger remote code execution via crafted licenses in FortiNAC License Management due to improper input neutralization.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-22637?

CVE-2023-22637 is a medium-severity cross-site scripting vulnerability in Fortinet FortiNAC, published on 3 May 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiNAC-F version 7.2.0, FortiNAC version 9.4.2 and below, 9.2 all versions, 9.1 all versions, 8.8 all versions, 8.7 all versions in License Management would permit an authenticated attacker to trigger remote code execution via crafted licenses.

Weakness: CWE-79

Which versions are affected by CVE-2023-22637?

It affects 2 products.

Products include Fortinet Fortinac, Fortinet Fortinac-F.

How do I fix CVE-2023-22637?

No fix has been published for CVE-2023-22637 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-22637 being exploited?

There is no known exploitation of CVE-2023-22637 in the wild and no public exploit code.

Sources

Also known as GHSA-fjx8-gmr3-vg45.