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Medium4.9Fortinet

Medium [CVE-2025-61886] Reflected XSS in Operation Center

This medium-severity Fortinet advisory covers CVE-2025-61886 affecting FortiSandbox.

FG-IR-26-109 Published Apr 14, 2026Updated by vendor Apr 14, 2026
Affected products & platforms
FortinetFortiSandbox
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Summary

CVSSv3 Score: 4.9 An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiSandbox and FortiSandbox Cloud may allow an attacker to perform an XSS attack via crafted HTTP requests. Revised on 2026-04-14 00:00:00

Affected versions
  • FortiSandbox 5.0: 5.0.0 through 5.0.4
  • FortiSandbox PaaS 5.0: 5.0.0 through 5.0.4

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

Fixed versions
  • FortiSandbox 5.0: 5.0.5
  • FortiSandbox PaaS 5.0: 5.0.5

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: 5.0.5; FortiSandbox PaaS 5.0: 5.0.5.

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

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