Twitter ‘onmouseover’ security flaw widely exploited | Graham Cluley’s blog

The Twitter website is being widely exploited by users who have stumbled across a flaw which allows messages to pop-up and third-party websites to open in your browser just by moving your mouse over a link.

Thousands of Twitter accounts have posted messages exploiting the flaw. Victims include Sarah Brown, wife of the former British Prime Minister.

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It appears that in Sarah Brown’s case her Twitter page has been messed with in an attempt to redirect visitors to a hardcore porn site based in Japan. That’s obviously bad news for her followers – over one million of them.

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To Mrs Brown’s credit, she has posted a warning on her Twitter page:

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