Critical9.0Proxmox

Proxmox Virtual Environment: reflected cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment prior to v7.2-3 allows remote att…

CVE-2022-31358 Published Dec 14, 2022Updated by vendor Jul 9, 2026

CVE-2022-31358

Affected products & platforms

ProxmoxUnclassified

Summary

A reflected cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment prior to v7.2-3 allows remote attackers to execute arbitrary web scripts or HTML via non-existent endpoints under path /api2/html/.

Mitigation

Mitigation steps weren't captured by the parser for this advisory — this is a parsing gap, not a statement that no fix exists. Read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 5 hours ago·verify at source

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