TI-2026-20997 Aliases CVE-2026-25972 GHSA-2m7q-86j6-pc24

Cross-site scripting in Fortinet FortiSIEM

LOW 27CWE-79Published 2026-03-10 · Updated 2026-03-12

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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 a social engineering attack via spoofed URL parameters.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00388 33rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Fortinet	FortiSIEM	7.4.0; 7.3.0 – 7.3.4	—	No fix listed	CNA

FortiSIEM VendorFortinet Affected 7.4.0; 7.3.0 – 7.3.4 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:fortisiem::::::::	7.3.0 to before 7.3.5	Vulnerable	Fortinet
cpe:2.3:a:fortinet:fortisiem:7.4.0:::::::*	7.4.0	Vulnerable	Fortinet

cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:* Versions 7.3.0 to before 7.3.5 Vulnerable ·Fortinet
cpe:2.3:a:fortinet:fortisiem:7.4.0:*:*:*:*:*:*:* Versions 7.4.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-25972
2026-10-03 Alias added: GHSA-2m7q-86j6-pc24

References

Advisory 1

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

TI-2024-15229 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
TI-2023-17481 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
TI-2025-18918 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
TI-2025-39605 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.4
TI-2024-15230 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8
TI-2023-18387 OS command injection in Fortinet FortiSIEM CVSS 3.1CRITICAL 9.8

See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences