CVE-2026-51081

MEDIUM

Proxmox Virtual Environment 8.x <= 4.3.16 and 9.x <= 5.1.8 - Cross-Site Scripting via Crafted Payload Injection

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1

Scores

CVSS v3 6.1
EPSS 0.0015
EPSS Percentile 4.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Published Jul 17, 2026
Tracked Since Jul 17, 2026