Impossible Pumpkin Pie Cupcakes

1 15 oz can pumpkin puree
1/2 cup sugar
1/4 cup brown sugar
2 large eggs
1 teaspoon vanilla extract
3/4 cup evaporated milk
2/3 cup all purpose flour
2 teaspoons pumpkin pie spice
1/4 teaspoon salt
1/4 teaspoon baking powder
1/4 teaspoon baking soda