{"id":"CVE-2026-49243","title":"Webmin is a web-based system administration tool for Unix-like servers","summary":"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-co…","severity":"critical","cvss":9.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cwe":["CWE-79"],"vendor":"webmin","product":"webmin","affected":["webmin < 2.650"],"published":"2026-09-29","updated":"2026-10-13","sourceUpdated":"2026-10-13T15:17:44.357","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-49243","references":[{"url":"https://beaksec.github.io/posts/webmin-one-click-rce-via-xss","label":"security-advisories@github.com"},{"url":"https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf","label":"security-advisories@github.com"},{"url":"https://github.com/webmin/webmin/releases/tag/2.650","label":"security-advisories@github.com"},{"url":"https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"epss":0.00297,"epssPercentile":0.22215,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-29T15:21:17.952416Z"},"ingestedAt":"2026-09-29T16:39:33.259Z","slug":"CVE-2026-49243","body":"## Overview\n\nWebmin 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":52.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":218530,"id":"CVE-2026-49243","ts":1791561789306,"field":"cvss","old":"5.1","new":"9.6"},{"seq":218529,"id":"CVE-2026-49243","ts":1791561789306,"field":"severity","old":"medium","new":"critical"}]}