So I submitted my Vanderbilt ED1 application on time. I just looked at the deadlines and it says that CSS profile was due 13 days ago. How screwed am I? What can I do? What exactly do I need to do?
Start with contacting the admissions office, and explaining your situation to them.
Have you already filed your FAFSA? Admissions is needs blind. If you are admitted, you may not get a FA award with your decision.