4.8

CVE-2025-22855: fortinet forticlientems Cross-site Scripting

CVSS: 4.8v3.1MediumAnalyzed
Published 08-04-2025Last modified 08-04-2025

Vulnerability summary

CVE-2025-22855 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in fortinet forticlientems. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.9% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (NVD)
EPSS score
0.36%
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. 08-04-2025
    PublishedVulnerability first disclosed.
  2. 08-04-2025
    Last modifiedVulnerability information updated.

Description

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortinet FortiClient before 7.4.1 may allow the EMS administrator to send messages containing javascript code.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

+0.01 pp

From 0.36% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.36%

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
  • forticlientems≥ 7.4.0, ≤ 7.4.1 | ≥ 7.2.1, ≤ 7.2.8 | ≥ 7.2.1, ≤ 7.2.10 | ≥ 7.4.0, < 7.4.3

1 vendor · 1 product

References

1 links