6.1

CVE-2026-25972: fortinet fortisiem Cross-site Scripting

CVSS: 6.1v3.1MediumAnalyzed
Published 10-03-2026Last modified 12-03-2026
Open JSON

Vulnerability summary

CVE-2026-25972 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in fortinet fortisiem. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.6% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.34%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-03-2026
    PublishedVulnerability first disclosed.
  2. 12-03-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

+0.01 pp

From 0.33% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet1 product
  • fortisiem≥ 7.3.0, ≤ 7.3.4 | ≥ 7.3.0, < 7.3.5 | 7.4.0

1 vendor · 1 product

References

1 links