Medium5.4Proxmox

Proxmox Virtual Environment: stored cross-site scripting (XSS) vulnerability in the HTTP Proxy field within the Datacenter configuration panel o…

CVE-2025-57538 Published Sep 9, 2025Updated by vendor Jun 17, 2026

CVE-2025-57538

Affected products & platforms

ProxmoxUnclassified

Summary

A stored cross-site scripting (XSS) vulnerability in the HTTP Proxy field within the Datacenter configuration panel of Proxmox Virtual Environment (PVE) 8.4 allows an authenticated user to inject malicious input. The input is stored and executed in the context of other users' browsers when they view the affected configuration page. This can lead to arbitrary JavaScript execution.

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 4 hours ago·verify at source

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