Is CVE-2023-45587 being actively exploited?

CVE-2023-45587 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2023-45587?

CVE-2023-45587 has a CVSS 3.1 base score of 3.5 (LOW).

CVE-2023-45587

LOW · CVSS 3.5EPSS 0.4%EU EUVD

An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.2, FortiSandbox 4.2 all versions, FortiSandbox 4.0 all versions, FortiSandbox 3.2 all versions, FortiSandbox 3.1 all versions allows attacker to execute unauthorized code or commands via crafted HTTP requests

Key facts

CVSS score: 3.5 (v3.1)
Severity: LOW
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-79
EPSS score: 0.4% (36th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2023-49879)
Published: December 13, 2023
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-49879 in the EU Vulnerability Database. Last updated in EUVD on July 8, 2026.

View on the EU Vulnerability Database

Affected products

fortinet / fortisandbox
fortinet / fortisandbox
fortinet / fortisandbox
fortinet / fortisandbox

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

FortiSandbox 4.4 - Fortinet, Inc. - Common Criteria CCEVS-VR-VID-11636-2025 - active
FortiSandbox-1000F/2000E/3000E - Fortinet, Inc. - FIPS 140 4113 - historical

References

https://fortiguard.com/psirt/FG-IR-23-360(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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