Mesh3l911 / CVE-2021-32160

Exploiting a Reflected Cross-Site Scripting (XSS) attack to create a privileged user through the Webmin's add users feature then getting a reverse shell through the Webmin's running process feature

..| XSS to Privileged user |..

Description :

Exploiting a Reflected Cross-Site Scripting (XSS) attack to create a privileged user through the Webmin's add users feature then getting a reverse shell through the Webmin's running process feature

Tested Version :

Webmin 1.973 ( GitHub's latest version 07/03/2021 )

Attack Type:

Remote

Impact :

Remote Command Execution

eXploit's C0de POC :

Vendor of Product :

https://www.webmin.com

Additional Information :

"Webmin is a web-based system administration tool for Unix-like servers, and services with over 1,000,000 installations worldwide. Using it, it is possible to configure operating system internals, such as users, disk quotas, services or configuration files, as well as modify, and control open-source apps, such as BIND DNS Server, Apache HTTP Server, PHP, MySQL, and many more" According to Webmin's GitHub

Discoverers :

Mesh3l_911 & Z0ldyck
Twitter: @mesh3l_911 ,@electronicbots