CVE-2025-52436
Undergoing Analysis Undergoing Analysis - In Progress
Cross-Site Scripting in FortiSandbox Enables Remote Command Execution

Publication date: 2026-02-10

Last updated on: 2026-02-18

Assigner: Fortinet, Inc.

Description
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.7, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions may allow an unauthenticated attacker to execute commands via crafted requests.
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Meta Information
Published
2026-02-10
Last Modified
2026-02-18
Generated
2026-06-16
AI Q&A
2026-02-10
EPSS Evaluated
2026-06-15
NVD
CVE-2025-52436
EUVD
EUVD-2025-206928
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
fortinet fortisandbox From 4.0.0 (inc) to 4.4.8 (exc)
fortinet fortisandbox From 5.0.0 (inc) to 5.0.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is an Improper Neutralization of Input During Web Page Generation, also known as a Cross-site Scripting (XSS) vulnerability. It affects Fortinet FortiSandbox versions 5.0.0 through 5.0.1, 4.4.0 through 4.4.7, 4.2 all versions, and 4.0 all versions. An unauthenticated attacker can exploit this flaw by sending specially crafted requests that allow them to execute commands.

Impact Analysis

This vulnerability can have a significant impact as it allows an unauthenticated attacker to execute commands on the affected system. The CVSS v3.1 base score of 8.8 indicates a high severity, with potential impacts including complete confidentiality, integrity, and availability compromise of the system.

Compliance Impact

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