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.
References
| Link | Resource |
|---|---|
| https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010 | Issue Tracking Vendor Advisory |
| https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss | Exploit Third Party Advisory |
| https://www.youtube.com/watch?v=-wvkN-7oT5U | Broken Link |
| https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss | Exploit Third Party Advisory |
Configurations
History
17 Jun 2026, 09:43
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010 - Issue Tracking, Vendor Advisory |
18 Sep 2025, 17:41
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:proxmox:virtual_environment:8.4:*:*:*:*:*:*:* | |
| First Time |
Proxmox virtual Environment
Proxmox |
|
| References | () https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010 - Vendor Advisory, Issue Tracking | |
| References | () https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss - Exploit, Third Party Advisory | |
| References | () https://www.youtube.com/watch?v=-wvkN-7oT5U - Broken Link |
10 Sep 2025, 14:15
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.4 |
| CWE | CWE-79 | |
| References | () https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss - |
09 Sep 2025, 17:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-09-09 17:16
Updated : 2026-06-17 09:43
NVD link : CVE-2025-57539
Mitre link : CVE-2025-57539
CVE.ORG link : CVE-2025-57539
JSON object : View
Products Affected
proxmox
- virtual_environment
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
