CVE-2023-36555 Cross-site scripting in FortiOS

What is CVE-2023-36555?

CVE-2023-36555 is a low-severity cross-site scripting vulnerability in Fortinet Fortios, published on 10 Oct 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

An improper neutralization of script-related html tags in a web page (basic xss) in Fortinet FortiOS 7.2.0 - 7.2.4 allows an attacker to execute unauthorized code or commands via the SAML and Security Fabric components.

Weakness: CWE-79, CWE-80

Which versions are affected by CVE-2023-36555?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2023-36555?

No fix has been published for CVE-2023-36555 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-2023-36555 being exploited?

There is no known exploitation of CVE-2023-36555 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-58hq-j29m-mmq2.