CVE-2026-49243

Published: Sep 29, 2026Modified: Oct 13, 2026Deferred

9.6

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 6.0

Source: security-advisories@github.com (Secondary)

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.

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (4)

https://beaksec.github.io/posts/webmin-one-click-rce-via-xss

Source: security-advisories@github.com

https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf

Source: security-advisories@github.com

https://github.com/webmin/webmin/releases/tag/2.650

Source: security-advisories@github.com

https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5

Source: security-advisories@github.com

Timeline

No history available yet.