What is CVE-2026-25972?

CVE-2026-25972 is a medium-severity vulnerability in Fortinet Fortisiem, classified under Cross-site Scripting. CVSS score: 4.1/10. Published 2026-03-10.

How severe is CVE-2026-25972?

Medium severity. CVSS v3 base score is 4.1 out of 10.

XSS in Fortinet Fortisiem

CVE-2026-25972

An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4 may allow a remote unauthenticated attacker to provide arbitrary data enabling…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (18.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:U/RC:C.

Affected products

Fortinet Fortisiem — versions 7.4.0, 7.3.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-077

Frequently asked questions

What is CVE-2026-25972?: CVE-2026-25972 is a medium-severity vulnerability in Fortinet Fortisiem, classified under Cross-site Scripting. CVSS score: 4.1/10. Published 2026-03-10.
How severe is CVE-2026-25972?: Medium severity. CVSS v3 base score is 4.1 out of 10.