Home/CVE/An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortin
CVE

CVE-2025-22855

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortin

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.

LOW · CVSS 2.7 EPSS 0.00115
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
fortinet forticlientems>= 7.2.1 and <= 7.2.10
fortinet forticlientems>= 7.4.0 and < 7.4.3
▣

Scoring & Timeline

2.7
LOW · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Apr 2025 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.fortinet.com/psirt/FG-IR-23-344Vendor Advisory
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