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https://issues.apache.org/jira/browse/CAUSEWAY-2373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Keir Haywood updated CAUSEWAY-2373:
------------------------------------------
Priority: Major (was: Critical)
> Upload attachment: Preview vulnerable to XSS for html-attachments
> -----------------------------------------------------------------
>
> Key: CAUSEWAY-2373
> URL: https://issues.apache.org/jira/browse/CAUSEWAY-2373
> Project: Causeway
> Issue Type: Bug
> Components: Viewer Wicket
> Affects Versions: 1.17.0
> Reporter: Stefan Wegener
> Priority: Major
> Fix For: 2.1.0
>
> Attachments: causeway-2373-exploit.html, isis-xss-1.png,
> isis-xss-2.png
>
>
> First of all: I am not sure if the topic is placed here correctly as it might
> only affect the wicket-Dependency that isis is using. But: As the current
> wicket-version (7.9.0) that is used by isis is vulnerable to it, I should be
> relevant to you.
>
> I created the following HTML-document named xss_box.html:
> {code:java}
> <html>
> <script language="JavaScript">
> window.alert("Sometext");
> </script>
> <head>
> <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
> </head>
> <body>...</body>
> </html>
> {code}
> When selecting this document for an upload, usually a preview of the content
> will be shown. In this case the client uploading the file executes the
> javascript code and gets a modified preview content, as you can see in my
> attached images.
>
> I do not know if later wicket-versions (currently the newest version is
> 7.16.0) are protected against this threat.
>
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