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TI-2019-03959 Aliases CVE-2019-5594GHSA-q52x-xpc3-85cg

Cross-site scripting in Fortinet FortiNAC

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

An Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") in Fortinet FortiNAC 8.3.0 to 8.3.6 and 8.5.0 admin webUI may allow an unauthenticated attacker to perform a reflected XSS attack via the search field in the webUI.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00705 53rd 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
—Fortinet FortiNACFortiNAC 8.3.0 to 8.3.6 and 8.5.0—No fix listedCNA
  • Fortinet FortiNAC Vendor— Affected FortiNAC 8.3.0 to 8.3.6 and 8.5.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*8.3.0 – 8.3.6VulnerableFortinet
cpe:2.3:a:fortinet:fortinac:8.5.0:*:*:*:*:*:*:*8.5.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:* Versions 8.3.0 – 8.3.6 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortinac:8.5.0:*:*:*:*:*:*:* Versions 8.5.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-5594
  2. 2026-10-03 Alias added: GHSA-q52x-xpc3-85cg

References

  • TI-2022-18918 Exposure of resource to wrong sphere in Fortinet FortiNAC CVSS 3.1CRITICAL 9.8
  • TI-2023-16458 Deserialization of untrusted data in Fortinet FortiNAC CVSS 3.1CRITICAL 9.8
  • TI-2022-18002 Improper authorization in Fortinet FortiNAC CVSS 3.1CRITICAL 9.8
  • TI-2022-18920 XML external entity injection in Fortinet FortiNAC CVSS 3.1CRITICAL 9.1
  • TI-2024-20852 Cross-site scripting in Fortinet FortiNAC CVSS 3.1CRITICAL 9.0
  • TI-2023-16459 Command injection in Fortinet FortiNAC CVSS 3.1MEDIUM 4.8
See all 29 →

Sources