I see this on my VM page:
Webmin versions below 1.930 contain a remotely exploitable security hole and should be upgraded immediately! See http://www.webmin.com/security.html for more details.
Webmin 1.882 to 1.921 - Remote Command Execution (CVE-2019-15231)
There is no update as far as I can see:
Name : webmin Arch : noarch Version : 1.900 Release : 1 Size : 78 M Repo : installed From repo : virtualmin-universal