CVE-2025-57539: proxmox virtual environment

csirt@kutim:~/threat-intel/cve/CVE-2025-57539

CVSS 5.4 · Medium EPSS 0,29%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada proxmox virtual environment. Skor CVSS 3.1 5.4 (Medium) menurut CISA ADP.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 9 September 2025
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 5.4 (Medium), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
EPSS (30 hari): 0,29% peluang dieksploitasi; lebih tinggi dari 20,2% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
proxmox	virtual environment	Versi 8.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010 issue tracking · advisory vendor
https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss exploit · advisory pihak ketiga
https://www.youtube.com/watch?v=-wvkN-7oT5U broken link

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.