CVE-2025-57538

MediumCVSS 5.4/10Last modified Nov 8, 2026

Description

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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010Issue Tracking, Vendor Advisory
https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xssExploit, Third Party Advisory
https://www.youtube.com/watch?v=mN-0Zia1LZwBroken Link
https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xssExploit, Third Party Advisory

Timeline

Published: Sep 9, 2025
Last modified: Nov 8, 2026
NVD status: Analyzed

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