HTTP: Fortinet FortiSandbox hcproxy Reflected Cross Site Scripting

This signature detects attempts to exploit a known cross-site scripting vulnerability against Fortinet FortiSandbox. It is due to insufficient validation of user-supplied input. Attackers can steal cookie-based authentication credentials and launch other attacks.

Short Name
HTTP:XSS:FORTINET-SANDBOX-PROXY
Severity
Minor
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2025-54353 Cross FortiSandbox Fortinet Reflected Scripting Site hcproxy
Release Date
02/25/2026
Supported Platforms

mx-19.3

vmx-19.3

vsrx-19.2

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-19.4

vsrx3bsd-19.4

srx-branch-19.4

vsrx-19.4

vmx-19.4

mx-19.4

srxevo-25.4

vsrx-26.2

srx-26.2

srx-branch-26.2

vsrx3bsd-26.2

mx-12.3

srx-12.3

srx-branch-12.3

vsrx-12.3

Sigpack Version
3886
False Positive
Unknown

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