CVE-2025-57540 is a stored cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment (PVE) 8.4, specifically within the WebAuthn Relying Party field of the Datacenter configuration. Authenticated users can inject malicious JavaScript, which executes in the browsers of other users viewing the configuration page. This vulnerability has a CVSS score of 5.4 (MEDIUM), indicating a network-based attack with low complexity requiring user interaction, potentially leading to limited confidentiality and integrity impacts. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.4CPE matchmatch criteria | cpe:2.3:a:proxmox:virtual_environment:8.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.