CVE-2023-22638

Name: CVE-2023-22638
Creator: NVD / NIST
Published: 2023-02-16T19:15:13.977+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2023-22638 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Several improper neutralization of inputs during web page generation vulnerability [CWE-79] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.11 and below, 8.7.6 and below, 8.6.5 and below, 8.5.4 and below, 8.3.7 and below may allow an authenticated attacker to perform several XSS attacks via crafted HTTP GET requests.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

Several improper neutralization of inputs during web page generation vulnerability [CWE-79] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.11 and below, 8.7.6 and below, 8.6.5 and below, 8.5.4 and below, 8.3.7 and below may allow an authenticated attacker to perform several XSS attacks via crafted HTTP GET requests.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.46%

36.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Fortinet	Fortinac	>= 8.5.0, <= 8.5.4
Fortinet	Fortinac	>= 8.6.0, <= 8.6.5
Fortinet	Fortinac	>= 8.7.0, <= 8.7.6
Fortinet	Fortinac	>= 8.8.0, <= 8.8.11
Fortinet	Fortinac	>= 9.1.0, <= 9.1.9
Fortinet	Fortinac	>= 9.2.0, <= 9.2.7
Fortinet	Fortinac	8.3.7
Fortinet	Fortinac	9.4.0
Fortinet	Fortinac	9.4.1

References

https://fortiguard.com/psirt/FG-IR-22-260Patch, Vendor Advisory
https://fortiguard.com/psirt/FG-IR-22-260Patch, Vendor Advisory

Timeline

Published: Feb 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22638?

How severe is CVE-2023-22638?

CVE-2023-22638 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22638?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22638?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST