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    CVE-2025-57540

    A stored cross-site scripting (XSS) vulnerability exists in the WebAuthn Relying Party field within the Datacenter configuration of Proxmox Virtual Environment (PVE) 8.4. Authenticated users can inject JavaScript code that is later executed in the browsers of users who view the configuration page, enabling client-side attacks.

    Published:Sep 9, 2025
    Last Modified:Sep 17, 2025
    EPS:Sep 9, 2025
    EPSS Score:0.00028
    CVSS Score:5.4

    Affected Products

    Vendor
    Proxmox
    Product
    Virtual Environment

    Exploits

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

    Related CVEs

    CVE-2026-51081 (CVSS 6.1) — A cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment (PVE) 9.x 5.1.8 and Proxmox Virtual …
    CVE-2025-57538 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in the HTTP Proxy field within the Datacenter configuration …
    CVE-2025-57539 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in the U2F Origin field of the Datacenter configuration in P…
    CVE-2024-21545 (CVSS 8.2) — Proxmox Virtual Environment is an open-source server management platform for enterprise virtualization. Insuff…
    CVE-2023-43320 (CVSS 8.8) — An issue in Proxmox Server Solutions GmbH Proxmox VE v.5.4 thru v.8.0, Proxmox Backup Server v.1.1 thru v.3.0,…
    CVE-2022-31358 (CVSS 9) — A reflected cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment prior to v7.2-3 allows rem…
    CVE-2022-35508 (CVSS 9.8) — Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) are vulnerable to SSRF when proxying HTTP req…
    CVE-2022-35507 (CVSS 7.1) — A response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gatew…
    CVE-2014-4156 (CVSS 5.3) — Proxmox VE prior to 3.2: 'AccessControl.pm' User Enumeration Vulnerability…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High