{"id":"CVE-2026-49243","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-49243","generatedAt":"2026-10-27T23:56:59.243Z","title":"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.","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.","published":"2026-09-29T15:17:26.000Z","lastModified":"2026-10-13T15:17:44.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":9.6,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00297,"percentile":0.22154,"date":"2026-10-26","history":[{"date":"2026-09-30","score":0.003,"percentile":0.20444}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-09T17:00:08.000Z","detail":{"from":"5.1","score":"9.6","severity":"CRITICAL","fromSeverity":"MEDIUM"},"summary":"Now scored CVSS 9.6 CRITICAL (was 5.1)."},{"kind":"new","label":"New CVE","at":"2026-09-29T15:17:26.000Z","detail":{"score":"5.1","severity":"MEDIUM","publishedAt":"2026-09-29T15:17:26.173Z"},"summary":"New CVE, critical severity (CVSS 9.6)."}],"references":[{"url":"https://beaksec.github.io/posts/webmin-one-click-rce-via-xss","source":"security-advisories@github.com"},{"url":"https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf","source":"security-advisories@github.com"},{"url":"https://github.com/webmin/webmin/releases/tag/2.650","source":"security-advisories@github.com"},{"url":"https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-49243","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}