There is a risk of that happening, and is obviously serious if it does. If you want to go ahead anyway, you need to take steps to make she doesn't have reason to be able to make a claim.
Show her you're polite, genuine and trustworthy. Always have a chaperone who is reputable - so if there is a claim made against you you have someone else's word to refute it. Don't put yourself in a situation where you could get into trouble.
If you're serious about things, do it the right way. If it seems too hard, you might have your answer...