{"id":"CVE-2026-47790","aliases":["EUVD-2026-101990","GHSA-g9jq-pqxh-j9mj"],"status":"published","title":"Privilege Escalation via QuFTP Log-based XSS","description":"A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains a user account, they can then exploit the vulnerability to inject malicious code.\n\nWe have already fixed the vulnerability in the following version:\nQuFTP Service 1.4.6 and later\nQuFTP Service 1.5.5 and later\nQuFTP Service 1.6.5 and later","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0028,"percentile":0.2076,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-10-15T09:38:20Z","modified":"2026-10-19T08:06:24Z","products":[{"vendor":"qnap systems inc.","product":"quftp service"}],"references":[{"url":"https://www.qnap.com/en/app-release-notes?keyword=QuFTP%20Service\u0026app=QuFTP\u0026product-line=nas","tags":["release-notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47790"},{"url":"https://github.com/advisories/GHSA-g9jq-pqxh-j9mj"}],"sources":{"cve":[{"id":"CVE-2026-47790","title":"Privilege Escalation via QuFTP Log-based XSS","description":"A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains a user account, they can then exploit the vulnerability to inject malicious code.\n\nWe have already fixed the vulnerability in the following version:\nQuFTP Service 1.4.6 and later\nQuFTP Service 1.5.5 and later\nQuFTP Service 1.6.5 and later","status":"published","published":"2026-10-15T09:38:20.936Z","modified":"2026-10-19T08:06:24.726Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:36:29.327819Z"}],"euvd":[{"id":"EUVD-2026-101990","description":"A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains a user account, they can then exploit the vulnerability to inject malicious code.\n\nWe have already fixed the vulnerability in the following version:\nQuFTP Service 1.4.6 and later\nQuFTP Service 1.5.5 and later\nQuFTP Service 1.6.5 and later","status":"published","published":"2026-10-15T09:38:20Z","modified":"2026-10-19T08:06:24Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H","level":"medium"}],"updated_at":"2026-11-02T17:00:00.018696Z"}],"ghsa":[{"id":"GHSA-g9jq-pqxh-j9mj","title":"A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote...","description":"A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains a user account, they can then exploit the vulnerability to inject malicious code.\n\nWe have already fixed the vulnerability in the following version:\nQuFTP Service 1.4.6 and later\nQuFTP Service 1.5.5 and later\nQuFTP Service 1.6.5 and later","status":"published","published":"2026-10-15T12:31:01Z","modified":"2026-10-15T12:31:09Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/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":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:13:35.825754Z"}],"nvd":[{"id":"CVE-2026-47790","description":"A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains a user account, they can then exploit the vulnerability to inject malicious code.\n\nWe have already fixed the vulnerability in the following version:\nQuFTP Service 1.4.6 and later\nQuFTP Service 1.5.5 and later\nQuFTP Service 1.6.5 and later","status":"published","published":"2026-10-15T10:17:14.903Z","modified":"2026-10-15T16:32:39.893Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/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":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:59.328869Z"}]}}