User blog comment:MarkvA/Creation Kit released along with high-res texture pack/@comment-4824809-20120207205517/@comment-4118895-20120208022243

I would think PSN would agree but, microsoft would think its a potential threat to hacking so unless Bethesda has a large and strong argument for modding Microsoft would unlikely agree. If they do actually do that there's a likely chance you have to pay for modding ( Online passes? )