Last day I informed you guys about Facebook Bug Allows Hackers to Delete Facebook Friends Without Permission.The flaw was reported Wednesday by Steven Abbagnaro, a student at Marist College in Poughkeepsie, New York. It was patched Friday afternoon, Pacific time, after the IDG News Service notified Facebook of the issue.
The bug was a variation of an earlier vulnerability that Facebook, which affected a range of features on the Web site. Hackers could have leveraged Abbagnaro's bug to delete all of a victim's contacts, one by one, but it does not appear that anyone ever exploited it in a malicious way.
For Abbagnaro's attack to work, however, a user would have to have been tricked into clicking on a malicious Web link while still logged into Facebook.
Facebook has struggled this week to fix these bugs, which are called cross-site request forgery flaws. They exist because of relatively simple Web programming mistakes in the Web site's code, and security researchers have criticized Facebook for not fixing them more quickly.
Source : PCWorld,Prominent Security
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