{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-49243", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-28T14:33:01.178Z", "datePublished": "2026-09-29T14:57:48.911Z", "dateUpdated": "2026-10-13T14:34:36.657Z" }, "containers": { "cna": { "title": "Webmin: Reflected XSS in the Configuration module", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE" } ] } ], "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" } } ], "references": [ { "name": "https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5" }, { "name": "https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf" }, { "name": "https://beaksec.github.io/posts/webmin-one-click-rce-via-xss", "tags": [ "x_refsource_MISC" ], "url": "https://beaksec.github.io/posts/webmin-one-click-rce-via-xss" }, { "name": "https://github.com/webmin/webmin/releases/tag/2.650", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/webmin/webmin/releases/tag/2.650" } ], "affected": [ { "vendor": "webmin", "product": "webmin", "versions": [ { "version": "< 2.650", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-13T14:34:36.657Z" }, "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." } ], "source": { "advisory": "GHSA-hv4w-p8jq-2rp5", "discovery": "UNKNOWN" } }, "adp": [ { "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" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-29T15:21:31.089Z" } } ] } }