CVEvulnerability
CVE-2025-57539
5.4 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-09-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
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.
Affected configurations
• proxmox virtual environment 8.4
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- 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