I just realized I have some blank users which I deleted but I can still login to this dummy account without a password for some reason.

mysql -u -p
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 5
Server version: 5.1.69 Source distribution

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> select user()
    -> ;
+--------------+
| user()       |
+--------------+
| -p@localhost |
+--------------+
1 row in set (0.00 sec)


mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| test               |
+--------------------+
2 rows in set (0.00 sec)



mysql> select User from user;
+-----------------+
| User            |
+-----------------+
| root            |
|                 |
| root            |
|                 |
| root            |
+-----------------+
6 rows in set (0.00 sec)

mysql> delete from mysql where User='';
ERROR 1146 (42S02): Table 'mysql.mysql' doesn't exist
mysql> delete from user where User='';
Query OK, 2 rows affected (0.00 sec)

mysql> select User from user;
+-----------------+
| User            |
+-----------------+
| root            |
| root            |
| root            |
+-----------------+
4 rows in set (0.00 sec)

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