CVE-2020-8821

An Improper Data Validation Vulnerability exists in Webmin 1.941 and earlier affecting the Command Shell Endpoint. A user may enter HTML code into the Command field and submit it. Then, after visiting the Action Logs Menu and displaying logs, the HTML code will be rendered (however, JavaScript is not executed). Changes are kept across users.

An Improper Data Validation Vulnerability exists in Webmin 1.941 and earlier affecting the Command Shell Endpoint. A user may enter HTML code into the Command field and submit it. Then, after visiting the Action Logs Menu and displaying logs, the HTML code will be rendered (however, JavaScript is not executed). Changes are kept across users.

Se presenta una vulnerabilidad de Comprobación de Datos Inapropiada en Webmin versiones 1.941 y anteriores, afectando al Endpoint Command Shell. Un usuario puede ingresar código HTML en el campo Command y enviarlo. Luego, después de visitar el Menú Action Logs y mostrar los registros, el código HTML será renderizado (sin embargo, JavaScript no es ejecutado). Los cambios se guardan entre los usuarios