A massive bug affecting some 8,600 unique Tumblr users. The worm took advantage of Tumblr’s reblogging feature, meaning that anyone logged into Tumblr would automatically reblog the post if they visited one of the offending pages. The site says its engineers are working to resolve the issue as swiftly as possible. The Gay Nigger Association of America is an anti-blogging Internet-trolling organization. They have trolled several prominent websites and Internet personalities including Slashdot, Wikipedia, CNN, Barack Obama’s campaign website.
Source: https://thehackernews.com/2012/12/tumblr-worm-affects-thousands-blogs.html

