Thanks to Android 4.3, it is possible to control app permissions natively. In other words, root access is no longer necessary, nor is xPrivacy & Xposed.
However, because Samsung's Touch Wiz doesn't launch "activities", it's impossible to access this function without an app, which you can download off Google Play for free.
Check out this review for more info: http://www.androidpolice.com/2013/07...dividual-apps/
App Ops on Google Play: https://play.google.com/store/apps/d...sstarter&hl=en