Run this from a plugin or a file that will be executed.
global $wpdb;
$wpdb->query( "UPDATE wp_users SET user_pass= MD5('new-password') WHERE user_login = 'known-username'" );
Refer: https://stackoverflow.com/a/23635330/8255629
Run this from a plugin or a file that will be executed.
global $wpdb;
$wpdb->query( "UPDATE wp_users SET user_pass= MD5('new-password') WHERE user_login = 'known-username'" );
Refer: https://stackoverflow.com/a/23635330/8255629