added exploit target field descriptions
added exploit target field descriptions

polygloton/ctia,polygloton/ctia,saintx/ctia,yogsototh/ctia,quoll/ctia,threatgrid/ctia,saintx/ctia,threatgrid/ctia,quoll/ctia,threatgrid/ctia,yogsototh/ctia,polygloton/ctia,saintx/ctia,yogsototh/ctia,threatgrid/ctia,quoll/ctia