Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.4%
CVSS Severity
CVSS v3 Score 5.4
References
Products affected by CVE-2025-57540
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cpe:2.3:a:proxmox:virtual_environment:8.4