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Submission + - Cross-Site Scripting Attack hits Twitter (sophos.com)

RJHelms writes: As those of you who use Twitter may have notices, the social media site appears to have been hit with cross-site scripting attacks this morning. From Sophos:

"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. Messages are also spreading virally exploiting the vulnerability without the consent of users."

As of 9:20AM EST, I have also seen attacks doing the same thing using an overlay, making simply viewing your account reproduce the offending messages. PC Magazine's Larry Seltzer's blog claims the attacks were stopped around 9AM but began again around 9:15. Perhaps the original fix only blocked onmouseover.

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Cross-Site Scripting Attack hits Twitter

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We don't really understand it, so we'll give it to the programmers.

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