Do you want to force your cPanel users to change their password after login? If so, follow this tutorial.
Log into your WHM account.
Go to
Account Functions»Force Password Change» or type “Force Password” in the search box and then the option will appear.
Under Force Password Change, you can click on
Select Allor choose the selected user. Then, click theSubmitbutton.
Now, cPanel will force your users to change their password after login.