{"id":"CVE-2018-19943","aliases":["EUVD-2018-11614","GHSA-wh89-fj9h-4gr8"],"status":"published","title":"If exploited, this cross-site scripting vulnerability could allow remote attackers to inject...","description":"If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.22682,"percentile":0.97734,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-79","CWE-80"],"published":"2020-10-28T17:55:18Z","modified":"2026-08-13T05:17:17Z","kev":{"date_added":"2022-05-24","due_date":"2022-06-14","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2022-05-24"},{"source":"kev","since":"2022-05-24"}],"products":[{"vendor":"qnap","product":"network attached storage (nas)"},{"vendor":"qnap","product":"qts"},{"vendor":"qnap systems inc.","product":"qts"}],"references":[{"url":"https://www.qnap.com/zh-tw/security-advisory/qsa-20-01","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-19943","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-19943"},{"url":"https://github.com/advisories/GHSA-wh89-fj9h-4gr8"}],"sources":{"cve":[{"id":"CVE-2018-19943","description":"If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later","status":"published","published":"2020-10-28T17:55:18Z","modified":"2026-08-13T03:55:39.524Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-79","CWE-80"],"updated_at":"2026-11-02T14:35:02.966615Z"}],"euvd":[{"id":"EUVD-2018-11614","description":"If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later","status":"published","published":"2020-10-28T17:55:18Z","modified":"2026-08-13T03:55:39Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-05-24","updated_at":"2026-11-02T18:01:57.213133Z"}],"ghsa":[{"id":"GHSA-wh89-fj9h-4gr8","title":"If exploited, this cross-site scripting vulnerability could allow remote attackers to inject...","description":"If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later","status":"published","published":"2022-05-24T17:32:12Z","modified":"2025-10-22T00:32:00Z","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":"2026-11-02T15:04:04.786232Z"}],"kev":[{"id":"CVE-2018-19943","title":"QNAP NAS File Station Cross-Site Scripting Vulnerability","description":"A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.","cwes":["CWE-79","CWE-80"],"kev":{"date_added":"2022-05-24","due_date":"2022-06-14","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2018-19943","description":"If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later","status":"published","published":"2020-10-28T18:15:12.52Z","modified":"2026-08-13T05:17:17.24Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"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":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79","CWE-80"],"updated_at":"2026-11-02T14:05:00.03074Z"}]}}