{"id":"CVE-2023-4203","aliases":["EUVD-2023-54077","GHSA-mfq6-hv3w-q46x"],"status":"published","title":"Stored Cross-Site Scripting","description":"Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the ping tool of the web-interface.","severity":{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01079,"percentile":0.65293,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-08-08T10:29:21Z","modified":"2026-06-17T06:37:18Z","products":[{"vendor":"advantech","product":"eki-1521"},{"vendor":"advantech","product":"eki-1521_firmware"},{"vendor":"advantech","product":"eki-1522"},{"vendor":"advantech","product":"eki-1522_firmware"},{"vendor":"advantech","product":"eki-1524"},{"vendor":"advantech","product":"eki-1524_firmware"}],"references":[{"url":"https://cyberdanube.com/en/en-st-polten-uas-multiple-vulnerabilities-in-advantech-eki-15xx-series/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2023/Aug/13","tags":["x_transferred"]},{"url":"http://packetstormsecurity.com/files/174153/Advantech-EKI-1524-CE-EKI-1522-EKI-1521-Cross-Site-Scripting.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4203"},{"url":"https://cyberdanube.com/en/en-st-polten-uas-multiple-vulnerabilities-in-advantech-eki-15xx-series"},{"url":"https://github.com/advisories/GHSA-mfq6-hv3w-q46x"}],"sources":{"cve":[{"id":"CVE-2023-4203","title":"Stored Cross-Site Scripting","description":"Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the ping tool of the web-interface.","status":"published","published":"2023-08-08T10:29:21.163Z","modified":"2025-02-13T17:09:16.094Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54077","description":"Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the ping tool of the web-interface.","status":"published","published":"2023-08-08T10:29:21Z","modified":"2025-02-13T17:09:16Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:03:49.098775Z"}],"ghsa":[{"id":"GHSA-mfq6-hv3w-q46x","title":"Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site...","description":"Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the ping tool of the web-interface.","status":"published","published":"2023-08-08T12:30:21Z","modified":"2025-02-13T18:32:47Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:59:55.900946Z"}],"nvd":[{"id":"CVE-2023-4203","description":"Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the ping tool of the web-interface.","status":"published","published":"2023-08-08T11:15:12.143Z","modified":"2026-06-17T06:37:18.543Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","level":"critical","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:20.798312Z"}]}}