The left front foot looks off too. Almost reminds me of a tiny bit of a club or its just the way its placed, too bad there isn't another photo. I would also try some more photos and see if she will stand with her back legs less under her. Sometimes when we take pics you try to square up by moving the front and they tend not to move the back.
I don't like to critique young horses.. A horse won't stop growing until 5-6 and until then she is going to go through all sorts of ugly and wonky stages before really settling into herself. It isn't really accurate to give a critique because she'll change in so many different ways and we could either be spot on or way off target. She's a pretty little mare, love her head.. Anything else is pretty much subject to change though.