If your WordPress have gotten or corrupted and do have forgot the primary email, you may refer to the following step to reset WordPress administrator password reset your password.
Steps :
1. Login into cPanel
2. Log into the PHPMyAdmin.
3. Locate the WordPress database
4. Browse to to wp_users table.
5. Edit the user that you could like to modify the password.
6. Change the user_pass field and choose MD5 type, enter your new password.
7. Select on Go button.
8. You will be able to login with the mentioned user username and new password.