Confirm user's password for admins

[BirdOPrey5]

I would be interested in a mod that adds a box to the user's page in admin cp that lets me type in a password and confirm if it matches the user's password or not. We recently had an issue where it appeared someone's password was public but I couldn't check without logging out and trying to login as them, a PITA to do when in the middle of 10 things like I always am... seems like an option in admin cp is the way to go.. just a box to enter a password and a submit button and it tells me if it matches or not.