#VU119453 Cross-site scripting in FortiSandbox - CVE-2025-54353

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Main Vulnerability Database Vulnerabilities #VU119453

#VU119453 Cross-site scripting in FortiSandbox - CVE-2025-54353

Published: December 9, 2025 / Updated: December 18, 2025


Vulnerability identifier: #VU119453
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2025-54353
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FortiSandbox
Software vendor:
Fortinet, Inc

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper neutralization of input during web page generation ('cross-site scripting') in HA cluster. An attacker can perform an XSS attack via crafted HTTP requests.


Remediation

Install update from vendor's website.

External links