I am sorry this is not a bug.
-----Original Message to Facebook-----
Subject: urgent : post to non friends facebook users wall .
Description: dear facebook team .
my name is khalil ***** , iam ** years old from palestine .
i finished school with B.A degree in Infromation Systems .
i would like to report a bug in your main site (www.facebook.com) which i discovered .
i'am reporting this bug for the second time and i know that you offer money to whitehat people .
the vulnerability allow's facebook use to share posts to non friends facebook users , i made a post to sarah.goodin timeline and i got success post
link - > https://www.facebook.com/10151857333098885
of course you may cant see the link because sarah's timeline friends posts shares only with her friends , you need to be a friend of her to see that post or you can use your own authority . i can see that post i made to sarah's wall cause i'am the one who post either whatever iam not on her friend list .
this is a picture shows that post :
-----End Original Message to Facebook-----