That's what I'm guessing too. Magento and WordPress both store only the hashed passwords in the database; however, a screenshot from the article shows that the

That's what I'm guessing too. Magento and WordPress both store only the hashed passwords in the database; however, a screenshot from the article shows that the hosting company had stored plain-text passwords for an admin user, which were likely generated automatically, and stored in a separate (and publicly accessible) database.