Cross-site scripting (XSS) vulnerability in the Web Client in VMware vCenter Server 5.1…
Priority LOW 29CWE-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
Cross-site scripting (XSS) vulnerability in the Web Client in VMware vCenter Server 5.1 before update 3d, 5.5 before update 3d, and 6.0 before update 2 on Windows allows remote attackers to inject arbitrary web script or HTML via the flashvars parameter.
Why it matters now
EPSS 0.01072 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* | all versions | Running on | Microsoft |
| cpe:2.3:a:vmware:vcenter_server:5.1:*:*:*:*:*:*:* | 5.1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:*:*:*:*:*:*:* | 5.5 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | VMware |
- cpe:2.3:o:microsoft:windows:*:*:*:*:*:*:*:* Versions all versions Running on ·Microsoft
- cpe:2.3:a:vmware:vcenter_server:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:*:*:*:*:*:*:* Versions 5.5 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-2078
- 2026-10-03 Alias added: GHSA-q464-c6w6-9rm7
References
More VMware Vcenter Server vulnerabilities
- TI-2026-42442 vCenter directory-traversal vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2023-16914 VMware vCenter Server Out-of-Bounds Write Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05049 Path traversal in VMware vCenter Server, VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2016-2078 · CVE Program
- CVE-2016-2078 · NVD
- FIRST EPSS
- GHSA-q464-c6w6-9rm7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences