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django/docs/releases/1.4.6.txt

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==========================
Django 1.4.6 release notes
==========================
*August 13, 2013*
Django 1.4.6 fixes one security issue present in previous Django releases in
the 1.4 series, as well as one other bug.
This is the sixth bugfix/security release in the Django 1.4 series.
Mitigated possible XSS attack via user-supplied redirect URLs
=============================================================
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Django relies on user input in some cases (e.g.
``django.contrib.auth.views.login()``, ``django.contrib.comments``, and
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:doc:`i18n </topics/i18n/index>`) to redirect the user to an "on success" URL.
The security checks for these redirects (namely
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``django.utils.http.is_safe_url()``) didn't check if the scheme is ``http(s)``
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and as such allowed ``javascript:...`` URLs to be entered. If a developer
relied on ``is_safe_url()`` to provide safe redirect targets and put such a
URL into a link, they could suffer from a XSS attack. This bug doesn't affect
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Django currently, since we only put this URL into the ``Location`` response
header and browsers seem to ignore JavaScript there.
Bugfixes
========
* Fixed an obscure bug with the :func:`~django.test.override_settings`
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decorator. If you hit an ``AttributeError: 'Settings' object has no attribute
'_original_allowed_hosts'`` exception, it's probably fixed (#20636).