{"id":"CVE-2025-57539","aliases":["EUVD-2025-27406","GHSA-724h-r47v-7vvw"],"status":"published","title":"A stored cross-site scripting (XSS) vulnerability in the U2F Origin field of the Datacenter...","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.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00304,"percentile":0.23484,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-09-09T00:00:00Z","modified":"2026-11-08T00:10:00Z","products":[{"vendor":"proxmox","product":"virtual_environment"}],"references":[{"url":"https://github.com/khankishiyev-j/bug-bounty/blob/main/proxmox-xss","tags":["exploit","Exploit","Third Party Advisory"]},{"url":"https://www.youtube.com/watch?v=-wvkN-7oT5U","tags":["Broken Link"]},{"url":"https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-792010","tags":["Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-57539"},{"url":"https://github.com/advisories/GHSA-724h-r47v-7vvw"}],"sources":{"cve":[{"id":"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.","status":"published","published":"2025-09-09T00:00:00Z","modified":"2025-09-10T13:45:28.857Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:34.773122Z"}],"euvd":[{"id":"EUVD-2025-27406","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.","status":"published","published":"2025-09-09T00:00:00Z","modified":"2025-09-10T13:45:28Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:31:45.48357Z"}],"ghsa":[{"id":"GHSA-724h-r47v-7vvw","title":"A stored cross-site scripting (XSS) vulnerability in the U2F Origin field of the Datacenter...","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.","status":"published","published":"2025-09-09T18:31:24Z","modified":"2025-09-10T15:32:20Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:03:33.757413Z"}],"nvd":[{"id":"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.","status":"published","published":"2025-09-09T17:16:10.583Z","modified":"2026-11-08T00:10:00.25Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-08T02:07:41.968385Z"}]}}