CVE-2025-57538

medium

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.

References

https://www.youtube.com/watch?v=mN-0Zia1LZw

https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss

https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010

Details

Source: Mitre, NVD

Published: 2025-09-09

Updated: 2025-09-18

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.4

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

Severity: Medium

EPSS

EPSS: 0.00021