CVE-2025-54353

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 attacker to perform an XSS attack via crafted HTTP requests.

CVSS 3.1

6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

6.3% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-25)

CWE

CWE-79

Published

2025-12-09

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• fortinet:fortisandbox

References

• https://fortiguard.fortinet.com/psirt/FG-IR-25-477

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