UpHeron
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Servers and applications

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.

Severity
Medium 5.4
Published
9 Sept 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Proxmox VEServers and applications · cpe:a:proxmox:virtual_environment
  • Version 8.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-57540
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-57540