If you installed wordpress using Softaculous App Installer in cPanel, you can login to the dashboard easily without a password using Softacilous.
Note: If you had not installed wordpress via Softaculous, you need to first import your installation so as to proceed.
1. Login to cPanel
2. Scroll down to Softaculous App Installer and click It
3. Click Installations
4. Click the icon highlighted below to login.
