CVE-2025-57540

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:proxmox:virtual_environment:8.4:*:*:*:*:*:*:*", "matchCriteriaId": "7A4D382D-F04A-4D32-9A9C-20FD7F5E1713", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Existe una vulnerabilidad de cross-site scripting (XSS) almacenado en el campo WebAuthn Relying Party dentro de la configuraci\u00f3n del Datacenter de Proxmox Virtual Environment (PVE) 8.4. Los usuarios autenticados pueden inyectar c\u00f3digo JavaScript que se ejecuta posteriormente en los navegadores de los usuarios que ven la p\u00e1gina de configuraci\u00f3n, lo que permite ataques del lado del cliente."}], "id": "CVE-2025-57540", "lastModified": "2026-11-08T00:10:00.250", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-57540", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-09-10T13:23:39.755783Z", "version": "2.0.3"}}]}, "published": "2025-09-09T17:16:10.780", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss"}, {"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://www.youtube.com/watch?v=-wvkN-7oT5U"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-09-09T21:31:27.614790+00:00", "updated": "2025-09-09T21:31:27.614864+00:00", "vendors": ["proxmox", "proxmox$PRODUCT$virtual_environment"]}