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https://issues.apache.org/jira/browse/FLEX-35123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15488391#comment-15488391
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Brian Martin commented on FLEX-35123:
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What version was this tested on?
> DOM XSS vulnerability in history.js
> -----------------------------------
>
> Key: FLEX-35123
> URL: https://issues.apache.org/jira/browse/FLEX-35123
> Project: Apache Flex
> Issue Type: Bug
> Reporter: Aron Nopanen
> Attachments: 0001-Address-DOM-XSS-vulnerability.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Template file history.js contains a DOM XSS vulnerability. While it looks
> like it would be difficult to exploit, it should be addressed.
> The code in question is in a block specific to ancient versions of Safari (<=
> 2.0.4), so I propose that block could safely be removed entirely.
> The vulnerable line is:
> getFormElement().innerHTML = '<form name="historyForm" action="'+file+'#' +
> flexAppUrl + '" method="GET"></form>';
> The variables 'file' and 'flexAppUrl' are being passed unescaped into HTML
> subcontext.
> I'm attaching a patch that would remove the Safari-specific handling,
> including the vulnerable line.
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