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List: full-disclosure
Subject: [FD] XSS in Sencha Ext JS 4 to 6
From: Daniel Fritsch <daniel.fritsch.86 () gmail ! com>
Date: 2018-06-22 9:34:25
Message-ID: CACXjA9h+Jn=z=RoWuNomeAUkY=7idR3U02QOgo=6oqESJhgKuA () mail ! gmail ! com
[Download RAW message or body]
A XSS vulnerability exists in the getTip() method of Action Columns.
The Ext JS framework brings no built-in XSS protection, meaning that
developers are responsible for sanitizing their output. However. the method
above takes HTML-escaped data and un-escapes it. Therefore if the tooltip
contains user-controlled data a XSS is possible.
A fiddle demonstrating the issue can be found here:
https://fiddle.sencha.com/#fiddle/2e3k&view/editor
The vendor tracked this issue with the internal ID EXTJS-26864.
MITRE assigned CVE-2018-8046 to this issue.
This issue has been fixed in version 6.6.0, the release notes are available
here: http://examples.sencha.com/extjs/6.6.0/release-notes.html
Best Regards,
Daniel
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