gistfile1.txt

add_action( 'pmxi_saved_post', 'post_saved', 10, 1 );

function post_saved( $id ) {
    global $wpdb;
       $pass = get_user_meta( $id, 'xfer_user_pass', true );
	$table = $wpdb->prefix . 'users';
    $wpdb->query( $wpdb->prepare(
        "
        UPDATE `" . $table . "`
        SET `user_pass` = %s
        WHERE `ID` = %d
        ",
        $pass,
        $id
    ) );
    delete_user_meta( $id, 'xfer_user_pass' );
}