CyberCVE

CVE-2025-54353

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.

Severity
Medium 5.3
CVSS 3.1
Exploited
Not listed
EPSS
0.063
93.3th percentile
Discovered by
Third party
Vendor advisory field
Published
Dec 9, 2025
Assigned by fortinet

Description

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an attacker to perform an XSS attack via crafted HTTP requests.

Weakness: CWE-79

Affected products

Vendor Product Category Matched by
Fortinet FortiSandbox Threat Detection & Sandbox cna-assigner
Vendor-reported products (1)
  • Fortinet · FortiSandbox

Credit

Fortinet is pleased to thank Jason McFadyen of Trend Research working with Trend Micro Zero Day Initiative for reporting this vulnerability under responsible disclosure.

Vendor remediation

Upgrade to FortiSandbox version 5.0.3 or above Upgrade to FortiSandbox version 4.4.8 or above Fortinet remediated this issue in FortiSandbox Cloud version 24.2 (not released) and hence customers do not need to perform any action.

References

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