I upgraded to 3.5 either yesterday or the day before without thinking (dumb, I know) and I posted just fine. Then while in the middle of a new post today, it suddenly tells me that I'm logged out and need to log in to save my post. I try to do so but it tells me that my password is wrong. The one that Mozilla saved for me. I don't think anything about it, and go about resetting it just in case and have them send me an email. It tells me that my email and/or username is invalid but sure enough there's an email there anyways with a link to reset my password. I click it and type in the new password, to which is says it's reset and to log in again. I do to do so with the new one...and it tells me my login is wrong. Rinse and repeat multiple times until the Multiple Failed Login plugin I have blocks my IP for several minutes. Now I can't get into my blog at all and have no idea what I did wrong. My website is still live but I just can't get into WordPress.