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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.

PUBLISHED Reserved 2025-08-17 | Published 2025-09-09 | Updated 2025-09-10 | Assigner mitre

References

github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss

www.youtube.com/watch?v=-wvkN-7oT5U

forum.proxmox.com/...nment-security-advisories.149331/page-2

cve.org (CVE-2025-57539)

nvd.nist.gov (CVE-2025-57539)

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