#VU84865 Stored cross-site scripting in FortiNAC and FortiNAC-F - CVE-2023-22637

Vulnerability identifier: #VU84865

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-22637

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiNAC
Server applications / IDS/IPS systems, Firewalls and proxy servers
FortiNAC-F
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Fortinet, Inc

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data passed via crafted licenses in FortiNAC License Management. A remote user can upload a specially crafted license file and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FortiNAC: 8.7.0 - 9.4.2

FortiNAC-F: 7.2.0

---

External links
https://www.fortiguard.fortinet.com/psirt/FG-IR-23-013

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.