VULNERABILITY INTELLIGENCE

CVE-2025-57540

CVSS score5.4 MEDIUM

EPSS probability0.29%

CISA KEVNot currently listed

Published2025-09-09

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Weakness classification

134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-79

Primary references

cve@mitre.org — Issue Tracking, Vendor Advisory
cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Broken Link
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit, Third Party Advisory