What is zxcvbn.min.js in WordPress?
Whenever a user creates a password for their account in WordPress, by default you see a meter telling you how strong your password is:
You may see this both on the backend, for example in the Edit User screen, and on the front end, for example when WooCommerce customers create an account in your shop.
This password strength meter feature is handled automatically by a few files, one of them being: zxcvbn.min.js