By Jacob Collins |Staff Writer| As of Nov. 14, Facebook has not yet patched a security flaw discovered in 2013, according to security researcher Vivek Bansal. The flaw exploits Facebook’s permissions allowing the user to post on others walls as someone else through apps that should only allow you to access basic profile information. Bansal reported the security flaw to Facebook security in October 2013 and was awarded $2,000 as part of their bug bounty program in which they pay security researchers who find security flaws and report them to Facebook. “I was surprised to discover that in fact no action had been taken to repair the loophole I had originally found. Indeed, I was able … [Read more...] about Known Facebook security flaw still raises concern