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Major IE8 Flaw Makes "Safe" Sites Unsafe

Posted by kdawson on from the keep-your-scripts-to-yourself dept.

After this weekend's report of a dangerous flaw in IE (which Microsoft confirmed today), intrudere points out an exclusive report in The Register on a new hole in IE8 that could allow an attacker to pull off cross-site scripting attacks on Web sites that ought, by rights, to be safe from XSS. This is according to two anonymous sources, who told El Reg that Microsoft had been notified of the vulnerability a few months ago.

1 of 83 comments (clear)

  1. Re:IE8 is *not* vulnerable by praseodym · · Score: 5, Informative

    Except, that was the FIRST security flaw linked in the article. The SECOND one (at The Register) is about a different security flaw, in the XSS filter. The XSS filter is new in IE8.

    And, BTW, Google does indeed disable it so that they are not vulnerable to the flaw: their servers send a "X-XSS-Protection: 0" header.