CVE-2025-57540
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
ProductProxmox Virtual Environment
PublishedSep 9, 2025
First seenSep 9, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| proxmox virtual_environment | 8.4 | — |
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