Broken Authentication -> Weak Password
A weak password is short, common, a system default, or something that could be rapidly guessed by executing a brute force attack using a subset of all possible passwords.
Exploitation

In this case,we will try to login as admin with this credential admin:admin.

Let’s click on login and see if we can login as admin.

Great!, We were able to guess admin credential.
Mitigations
- Enforce Passwords Policy.