Proxmox security advisories, September 2025

Every Proxmox security advisory published in September 2025, from Proxmox Security Advisories + NVD, with its severity, CVEs and CISA KEV status. Open a record for affected and fixed versions and the vendor's own link.

Advisories: 3
Critical: 0
High: 0
In CISA KEV: 0
CVEs: 3

Proxmox advisories published in September 2025

Sep 9, 2025
Medium [CVE-2025-57540] Proxmox Virtual Environment: stored cross-site scripting (XSS) vulnerability exists in the WebAuthn Relying Party field within the Datacenter configuration…
Medium5.4
Sep 9, 2025
Medium [CVE-2025-57539] Proxmox Virtual Environment: stored cross-site scripting (XSS) vulnerability in the U2F Origin field of the Datacenter configuration in Proxmox Virtual…
Medium5.4
Sep 9, 2025
Medium [CVE-2025-57538] Proxmox Virtual Environment: stored cross-site scripting (XSS) vulnerability in the HTTP Proxy field within the Datacenter configuration panel of Proxmox…
Medium5.4

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Dates are each advisory's publication date at the source, in UTC; a record with no source date is filed under the day VulniPulse first saw it.