CVE-2022-41334 Cross-site scripting in FortiOS

What is CVE-2022-41334?

CVE-2022-41334 is a high-severity cross-site scripting vulnerability in Fortinet Fortios, published on 16 Feb 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

An improper neutralization of input during web page generation [CWE-79] vulnerability in FortiOS versions 7.0.0 to 7.0.7 and 7.2.0 to 7.2.3 may allow a remote, unauthenticated attacker to launch a cross site scripting (XSS) attack via the "redir" parameter of the URL seen when the "Sign in with FortiCloud" button is clicked.

Weakness: CWE-79

Which versions are affected by CVE-2022-41334?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2022-41334?

No fix has been published for CVE-2022-41334 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-2022-41334 being exploited?

There is no known exploitation of CVE-2022-41334 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9jfc-cmc5-x599.