CVE-2025-57539
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-09

Last updated on: 2025-09-18

Assigner: MITRE

Description
A stored cross-site scripting (XSS) vulnerability in the U2F Origin field of the Datacenter configuration in Proxmox Virtual Environment (PVE) 8.4 allows authenticated users to store malicious input. The payload is rendered unsafely in the Web UI and executed when viewed by other users, potentially leading to session hijacking or other attacks.
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Meta Information
Published
2025-09-09
Last Modified
2025-09-18
Generated
2026-06-16
AI Q&A
2025-09-09
EPSS Evaluated
2026-06-15
NVD
CVE-2025-57539
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
proxmox virtual_environment 8.4
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability is a stored cross-site scripting (XSS) issue in the U2F Origin field of the Datacenter configuration in Proxmox Virtual Environment (PVE) 8.4. Authenticated users can input malicious code that gets stored and later executed in the Web UI when viewed by other users, potentially allowing attackers to hijack sessions or perform other malicious actions.

Impact Analysis

The vulnerability can lead to session hijacking or other attacks by executing malicious scripts in the context of other users viewing the Web UI. This can compromise user accounts, lead to unauthorized actions, and potentially allow attackers to gain further access or control within the environment.

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