Description
Webmin before 2.641 contains a stored cross-site scripting vulnerability in the email template description field of the System and Server Status module that allows low-privileged authenticated attackers to execute arbitrary JavaScript in the browser context of administrators by injecting unsanitized input stored in save_tmpl.cgi and rendered unescaped in list_tmpls.cgi.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Webmin | Webmin | < 2.641 | 2.641 |
Advisories 1
- WID-SEC-2026-1648 Webmin: Schwachstelle ermöglicht Cross-Site Scripting BSI CERT-Bund (WID) · May 21, 2026
References
- https://webmin.com/changelog/webmin-2.641-released/ release-notes patch
- https://www.vulncheck.com/advisories/webmin-stored-xss-via-system-and-server-status third-party-advisory