CVE-2024-27780 Cross-site scripting in FortiSIEM

What is CVE-2024-27780?

CVE-2024-27780 is a low-severity cross-site scripting vulnerability in Fortinet FortiSIEM, published on 11 Feb 2025. 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

Multiple Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerabilities [CWE-79] in FortiSIEM 7.1 all versions, 7.0 all versions, 6.7 all versions incident page may allow an authenticated attacker to perform a cross-site scripting attack via crafted HTTP requests.

Weakness: CWE-79

Which versions are affected by CVE-2024-27780?

It affects 1 product.

Products include Fortinet Fortisiem.

How do I fix CVE-2024-27780?

No fix has been published for CVE-2024-27780 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-2024-27780 being exploited?

There is no known exploitation of CVE-2024-27780 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiSIEM

• CVE-2025-25256 Command injection in FortiSIEM Critical 9.8
• CVE-2019-16153 Hardcoded credentials in Fortinet FortiSIEM Critical 9.8
• CVE-2023-40714 Path traversal in FortiSIEM Critical 9.7
• CVE-2024-23108 Command injection in FortiSIEM Critical 9.7
• CVE-2024-23109 Command injection in FortiSIEM Critical 9.7

Sources

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

Also known as GHSA-r5g9-gp44-29h8.