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.
Affected products
proxmox: virtual environment
References4
- forum.proxmox.com/threads/proxmox-virtual-environment-security-… Issue TrackingVendor Advisory
- github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss ExploitThird Party Advisory
- github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss ExploitThird Party Advisory
- www.youtube.com/watch?v=-wvkN-7oT5U Broken Link
Metrics
- CVSS 3.1
-
5.4
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - EPSS — exploit probability
- 0% percentile: 22 · as of 8 November 2026
- CWE
- CWE-79
Could this be exploited in your environment?
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