CVE-2023-41155: Webmin Usermin

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

A Stored Cross-Site Scripting (XSS) vulnerability in the mail forwarding and replies tab in Webmin and Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML via the forward to field while creating a mail forwarding rule.

Affected products

  • Webmin Usermin: version 2.000 only
  • Webmin Webmin: version 2.000 only

Published 2023-09-13. Last modified 2026-06-17.