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TI-2020-03493 Aliases CVE-2020-3997GHSA-2g97-qvhf-wqw3

Cross-site scripting in VMware Horizon Server

Priority LOW 26CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) contains a Cross Site Scripting (XSS) vulnerability. Successful exploitation of this issue may allow an attacker to inject malicious script which will be executed.

Why it matters now

EPSS 0.0067 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—VMware Horizon ServerVMware Horizon Server (7.x prior to 7.10.3 or 7.13.0)—No fix listedCNA
  • VMware Horizon Server Vendor— Affected VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vmware:horizon:*:*:*:*:*:*:*:*7.0 to before 7.10.3; 7.11.0 to before 7.13.0VulnerableVMware
  • cpe:2.3:a:vmware:horizon:*:*:*:*:*:*:*:* Versions 7.0 to before 7.10.3; 7.11.0 to before 7.13.0 Vulnerable ·VMware

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3997
  2. 2026-10-03 Alias added: GHSA-2g97-qvhf-wqw3

References

Patch 1

  • TI-2019-03933 Use after free in ESXi, Workstation, Fusion, VMRC and Horizon Client CVSS 3.1HIGH 8.8
  • TI-2022-07141 VMware Horizon Agent for Linux (prior to 22.x) contains a local privilege escalation that… CVSS 3.1HIGH 7.8
  • TI-2022-07139 Link following in VMware Horizon Agent for Linux CVSS 3.1HIGH 7.8
  • TI-2022-07117 VMware Workstation (16.x prior to 16.2.2) and Horizon Client for Windows (5.x prior to… CVSS 3.1MEDIUM 6.5
  • TI-2019-03919 VMware Horizon Connection Server (7.x before 7.8, 7.5.x before 7.5.2, 6.x before 6.2.8)… CVSS 3.0MEDIUM 5.3

Sources

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