CVE
CVE-2026-49243
Webmin: Reflected XSS in the Configuration module
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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.6
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
C
H
U
-
Related Resources
No items found.
References
https://beaksec.github.io/posts/webmin-one-click-rce-via-xss, https://github.com/webmin/webmin/releases/tag/2.650, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49243.json, https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5, https://nvd.nist.gov/vuln/detail/CVE-2026-49243, https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf