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TI-2026-28695 Aliases CVE-2026-39812GHSA-9q3x-6267-mffc

Cross-site scripting in Fortinet FortiSandbox

Priority LOW 19CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox PaaS 5.0.0 through 5.0.5, FortiSandbox PaaS 4.4.0 through 4.4.8, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00193 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiSandbox5.0.0 – 5.0.4; 4.4.0 – 4.4.8; 4.2.1 – 4.2.8—No fix listedCNA
FortinetFortiSandbox PaaS5.0.0 – 5.0.5; 4.4.0 – 4.4.8; 4.2.1 – 4.2.8—No fix listedCNA
  • FortiSandbox VendorFortinet Affected 5.0.0 – 5.0.4; 4.4.0 – 4.4.8; 4.2.1 – 4.2.8 Fixed in — No fix listed CNA
  • FortiSandbox PaaS VendorFortinet Affected 5.0.0 – 5.0.5; 4.4.0 – 4.4.8; 4.2.1 – 4.2.8 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*4.2.0 – 4.2.8; 4.4.0 to before 4.4.9; 5.0.0 to before 5.0.6VulnerableFortinet
cpe:2.3:a:fortinet:fortisandbox_cloud:*:*:*:*:*:*:*:*22.2.4134 – 23.1.4260; 23.3.4329 – 24.1.4436VulnerableFortinet
cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.4:*:*:*:*:*:*:*5.0.4VulnerableFortinet
cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.5:*:*:*:*:*:*:*5.0.5VulnerableFortinet
  • cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:* Versions 4.2.0 – 4.2.8; 4.4.0 to before 4.4.9; 5.0.0 to before 5.0.6 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortisandbox_cloud:*:*:*:*:*:*:*:* Versions 22.2.4134 – 23.1.4260; 23.3.4329 – 24.1.4436 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.4:*:*:*:*:*:*:* Versions 5.0.4 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortisandbox_cloud:5.0.5:*:*:*:*:*:*:* Versions 5.0.5 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-39812
  2. 2026-10-03 Alias added: GHSA-9q3x-6267-mffc

References

Advisory 1

  • TI-2026-28691 OS command injection in Fortinet FortiSandbox KEVCVSS 3.1CRITICAL 9.1
  • TI-2026-20264 OS command injection in Fortinet FortiSandbox KEVCVSS 3.1CRITICAL 9.1
  • TI-2024-15689 Path traversal in Fortinet FortiSandbox CVSS 3.1HIGH 8.1
  • TI-2026-28696 Path traversal in Fortinet FortiSandbox CVSS 3.1CRITICAL 9.1
  • TI-2024-18399 Cross-site scripting in Fortinet FortiSandbox CVSS 3.1CRITICAL 9.0
  • TI-2025-33814 OS command injection in Fortinet FortiSandbox CVSS 3.1HIGH 8.8
See all 59 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences