Is CVE-2023-41843 being actively exploited?

CVE-2023-41843 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2023-41843?

CVE-2023-41843 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2023-41843

HIGH · CVSS 7.5EPSS 0.6%EU EUVD

A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.1, FortiSandbox 4.2.1 through 4.2.5, FortiSandbox 4.0.0 through 4.0.3, FortiSandbox 3.2 all versions, FortiSandbox 3.1 all versions, FortiSandbox 3.0 all versions, FortiSandbox 2.5 all versions, FortiSandbox 2.4.1 allows attacker to execute unauthorized code or commands via crafted HTTP requests.

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-79
EPSS score: 0.6% (48th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2023-46334)
Published: October 13, 2023
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2023-46334 in the EU Vulnerability Database. Last updated in EUVD on January 14, 2026.

View on the EU Vulnerability Database

Affected products

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-23-273(Patch, Third Party Advisory)

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

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