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Medium4.6Fortinet

Medium [CVE-2025-53608] FortiSandbox: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] vulnerability in…

This medium-severity Fortinet advisory covers CVE-2025-53608 affecting FortiSandbox.

CVE-2025-53608 Published Mar 10, 2026Updated by vendor Jun 17, 2026
Affected products & platforms
FortinetFortiSandbox
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Summary

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 authenticated privileged attacker to execute code via crafted requests.

Affected versions
  • FortiSandbox 5.0: 5.0.0 through 5.0.2
  • FortiSandbox 4.4: 4.4.0 through 4.4.7
  • FortiSandbox 4.2: 4.2 all versions
  • FortiSandbox 4.0: 4.0 all versions

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • FortiSandbox 5.0: 5.0.3
  • FortiSandbox 4.4: 4.4.8
  • FortiSandbox 4.2: migrate to a fixed release
  • FortiSandbox 4.0: migrate to a fixed release

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade per the Affected/Solution table: FortiSandbox 5.0: 5.0.3; FortiSandbox 4.4: 4.4.8; FortiSandbox 4.2: migrate to a fixed release; FortiSandbox 4.0: migrate to a fixed release.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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