{"id":"CVE-2025-22483","aliases":["EUVD-2025-26220","GHSA-556x-fx4f-2hgg"],"status":"published","title":"License Center","description":"A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to bypass security mechanisms or read application data.\n\nWe have already fixed the vulnerability in the following versions:\nLicense Center 1.8.51 and later\nLicense Center 1.9.51 and later","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00243,"percentile":0.15557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-08-29T17:04:00Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"qnap","product":"license_center"},{"vendor":"qnap systems inc.","product":"license center"}],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-25-27","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-22483"},{"url":"https://github.com/advisories/GHSA-556x-fx4f-2hgg"}],"sources":{"cve":[{"id":"CVE-2025-22483","title":"License Center","description":"A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to bypass security mechanisms or read application data.\n\nWe have already fixed the vulnerability in the following versions:\nLicense Center 1.8.51 and later\nLicense Center 1.9.51 and later","status":"published","published":"2025-08-29T17:04:00.836Z","modified":"2025-08-29T17:14:55.555Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:29.286772Z"}],"euvd":[{"id":"EUVD-2025-26220","description":"A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to bypass security mechanisms or read application data.\n\nWe have already fixed the vulnerability in the following versions:\nLicense Center 1.8.51 and later\nLicense Center 1.9.51 and later","status":"published","published":"2025-08-29T17:04:00Z","modified":"2025-08-29T17:14:55Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H","level":"high"}],"updated_at":"2026-11-02T20:31:49.600955Z"}],"ghsa":[{"id":"GHSA-556x-fx4f-2hgg","title":"A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating...","description":"A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to bypass security mechanisms or read application data.\n\nWe have already fixed the vulnerability in the following versions:\nLicense Center 1.8.51 and later\nLicense Center 1.9.51 and later","status":"published","published":"2025-08-29T18:30:51Z","modified":"2025-12-05T21:31:22Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:05:03.911166Z"}],"nvd":[{"id":"CVE-2025-22483","description":"A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to bypass security mechanisms or read application data.\n\nWe have already fixed the vulnerability in the following versions:\nLicense Center 1.8.51 and later\nLicense Center 1.9.51 and later","status":"published","published":"2025-08-29T17:15:33.877Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:26.200344Z"}]}}