{"id":"CVE-2026-49243","aliases":["EUVD-2026-88975","GHSA-hv4w-p8jq-2rp5"],"status":"published","title":"Webmin: Reflected XSS in the Configuration module","description":"Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00297,"percentile":0.22516,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-29T14:57:48Z","modified":"2026-10-28T02:30:43Z","products":[{"vendor":"webmin","product":"webmin"}],"references":[{"url":"https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf","tags":["x_refsource_MISC","fix"]},{"url":"https://beaksec.github.io/posts/webmin-one-click-rce-via-xss","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/webmin/webmin/releases/tag/2.650","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49243.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49243","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-49243","title":"Webmin: Reflected XSS in the Configuration module","description":"Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650.","status":"published","published":"2026-09-29T14:57:48.911Z","modified":"2026-10-13T14:34:36.657Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:35:10.963527Z"}],"euvd":[{"id":"EUVD-2026-88975","description":"Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650.","status":"published","published":"2026-09-29T14:57:48Z","modified":"2026-10-13T14:34:36Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:27:20.397021Z"}],"nvd":[{"id":"CVE-2026-49243","description":"Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650.","status":"published","published":"2026-09-29T15:17:26.173Z","modified":"2026-10-13T15:17:44.357Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:52.413234Z"}],"osv":[{"id":"CVE-2026-49243","title":"Webmin: Reflected XSS in the Configuration module","description":"Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650.","status":"published","published":"2026-09-29T14:57:48.911Z","modified":"2026-10-28T02:30:43.575513373Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:45:07.060148Z"}]}}