Medium severity5.4NVD Advisory· Published Sep 9, 2025· Updated Jun 17, 2026
CVE-2025-57539
CVE-2025-57539
Description
A stored cross-site scripting (XSS) vulnerability in the U2F Origin field of the Datacenter configuration in Proxmox Virtual Environment (PVE) 8.4 allows authenticated users to store malicious input. The payload is rendered unsafely in the Web UI and executed when viewed by other users, potentially leading to session hijacking or other attacks.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:a:proxmox:virtual_environment:8.4:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:proxmox:virtual_environment:8.4:*:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 8.4
Patches
Vulnerability mechanics
References
3- github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xssnvdExploitThird Party Advisory
- forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2nvdIssue TrackingVendor Advisory
- www.youtube.com/watchnvdBroken Link
News mentions
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