A stray cat apparenetly has an injured paw. It appears to be a cut or gash about 2 inches long. the cat is walking on it. Does this require emergency vet care? (I have been feeding her and she is friendly enough now to come and ask for help!) It's night time. Or could it wait until the morning?

Optional Information:
Age: 3; Female; Breed: cat

Already Tried:
She's a stray. She hasn't let me try anything.