{"id":"CVE-2026-49243","state":"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.","publishedAt":"2026-09-29T14:57:48.911Z","updatedAt":"2026-10-13T14:34:36.657Z","severity":{"score":9.6,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["webmin webmin"],"affected":[{"vendor":"webmin","product":"webmin","versions":[{"version":"< 2.650","status":"affected"}]}],"references":["https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5","https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf","https://beaksec.github.io/posts/webmin-one-click-rce-via-xss","https://github.com/webmin/webmin/releases/tag/2.650"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/49xxx/CVE-2026-49243.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49243","state":"PUBLISHED","datePublished":"2026-09-29T14:57:48.911Z","dateUpdated":"2026-10-13T14:34:36.657Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-28T14:33:01.178Z"},"containers":{"cna":{"title":"Webmin: Reflected XSS in the Configuration module","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"webmin","product":"webmin","versions":[{"version":"< 2.650","status":"affected"}]}],"references":[{"url":"https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5","name":"https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf","name":"https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf","tags":["x_refsource_MISC"]},{"url":"https://beaksec.github.io/posts/webmin-one-click-rce-via-xss","name":"https://beaksec.github.io/posts/webmin-one-click-rce-via-xss","tags":["x_refsource_MISC"]},{"url":"https://github.com/webmin/webmin/releases/tag/2.650","name":"https://github.com/webmin/webmin/releases/tag/2.650","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-13T14:34:36.657Z"},"source":{"advisory":"GHSA-hv4w-p8jq-2rp5","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-29T15:21:17.952416Z","id":"CVE-2026-49243","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-29T15:21:31.089Z"}}]}}}