The vBulletin software we use is "Store Bought." We use it as is..... There are tons of add-ons that people have created and there might maybe one like you described..
In the 18 years you've been here - how many times would you have used the option if we had it?
The good news is that the site/software has a Password Reset function... Only two things you have to remember are your user name and email address/
"Wear your mask and try to blow out a candle. If you're successful the mask isn't that effective."