CVE-2026-51081: XSS

Published Jul 17, 2026
·
Updated

A cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment (PVE) 9.x 5.1.8 and Proxmox Virtual Environment (PVE) 8.x 4.3.16 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.

Affected Software

4 affected components
Proxmox Proxmox Virtual Environment (PVE) 9.x>=9<=9
Proxmox Proxmox Virtual Environment (PVE) 9.x=5.1.8
Proxmox Proxmox Virtual Environment (PVE) 8.x>=8<=8
Proxmox Proxmox Virtual Environment (PVE) 8.x=4.3.16

Event History

Jul 17, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2026-51081?

The severity of CVE-2026-51081 is rated as medium with a CVSS score of 6.1.

2

How do I fix CVE-2026-51081?

To fix CVE-2026-51081, update to the latest version of Proxmox Virtual Environment to ensure all security patches are applied.

3

What types of systems are affected by CVE-2026-51081?

CVE-2026-51081 affects Proxmox Virtual Environment (PVE) versions 9.x 5.1.8 and 8.x 4.3.16.

4

What is the nature of the vulnerability in CVE-2026-51081?

CVE-2026-51081 is a cross-site scripting (XSS) vulnerability that allows attackers to execute arbitrary web scripts or HTML.

5

Can CVE-2026-51081 affect user data?

Yes, CVE-2026-51081 can lead to potential exposure of user data due to the execution of malicious scripts.

Contact

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