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  <div class="section" id="s-django-1-5-2-release-notes">
<span id="django-1-5-2-release-notes"></span><h1>Django 1.5.2 release notes<a class="headerlink" href="#django-1-5-2-release-notes" title="Permalink to this headline">¶</a></h1>
<p><em>August 13, 2013</em></p>
<p>This is Django 1.5.2, a bugfix and security release for Django 1.5.</p>
<div class="section" id="s-mitigated-possible-xss-attack-via-user-supplied-redirect-urls">
<span id="mitigated-possible-xss-attack-via-user-supplied-redirect-urls"></span><h2>Mitigated possible XSS attack via user-supplied redirect URLs<a class="headerlink" href="#mitigated-possible-xss-attack-via-user-supplied-redirect-urls" title="Permalink to this headline">¶</a></h2>
<p>Django relies on user input in some cases (e.g.
<a class="reference internal" href="../topics/auth/default.html#django.contrib.auth.views.login" title="django.contrib.auth.views.login"><code class="xref py py-func docutils literal"><span class="pre">django.contrib.auth.views.login()</span></code></a>, <code class="docutils literal"><span class="pre">django.contrib.comments</span></code>, and
<a class="reference internal" href="../topics/i18n/index.html"><span class="doc">i18n</span></a>) to redirect the user to an &#8220;on success&#8221; URL.
The security checks for these redirects (namely
<code class="docutils literal"><span class="pre">django.utils.http.is_safe_url()</span></code>) didn&#8217;t check if the scheme is <code class="docutils literal"><span class="pre">http(s)</span></code>
and as such allowed <code class="docutils literal"><span class="pre">javascript:...</span></code> URLs to be entered. If a developer
relied on <code class="docutils literal"><span class="pre">is_safe_url()</span></code> to provide safe redirect targets and put such a
URL into a link, they could suffer from a XSS attack. This bug doesn&#8217;t affect
Django currently, since we only put this URL into the <code class="docutils literal"><span class="pre">Location</span></code> response
header and browsers seem to ignore JavaScript there.</p>
</div>
<div class="section" id="s-xss-vulnerability-in-django-contrib-admin">
<span id="xss-vulnerability-in-django-contrib-admin"></span><h2>XSS vulnerability in <a class="reference internal" href="../ref/contrib/admin/index.html#module-django.contrib.admin" title="django.contrib.admin: Django's admin site."><code class="xref py py-mod docutils literal"><span class="pre">django.contrib.admin</span></code></a><a class="headerlink" href="#xss-vulnerability-in-django-contrib-admin" title="Permalink to this headline">¶</a></h2>
<p>If a <a class="reference internal" href="../ref/models/fields.html#django.db.models.URLField" title="django.db.models.URLField"><code class="xref py py-class docutils literal"><span class="pre">URLField</span></code></a> is used in Django 1.5, it displays the
current value of the field and a link to the target on the admin change page.
The display routine of this widget was flawed and allowed for XSS.</p>
<div class="section" id="s-bugfixes">
<span id="bugfixes"></span><h3>Bugfixes<a class="headerlink" href="#bugfixes" title="Permalink to this headline">¶</a></h3>
<ul class="simple">
<li>Fixed a crash with <a class="reference internal" href="../ref/models/querysets.html#django.db.models.query.QuerySet.prefetch_related" title="django.db.models.query.QuerySet.prefetch_related"><code class="xref py py-meth docutils literal"><span class="pre">prefetch_related()</span></code></a>
(#19607) as well as some <code class="docutils literal"><span class="pre">pickle</span></code> regressions with <code class="docutils literal"><span class="pre">prefetch_related</span></code>
(#20157 and #20257).</li>
<li>Fixed a regression in <a class="reference internal" href="../ref/contrib/gis/index.html#module-django.contrib.gis" title="django.contrib.gis: Geographic Information System (GIS) extensions for Django"><code class="xref py py-mod docutils literal"><span class="pre">django.contrib.gis</span></code></a> in the Google Map output on
Python 3 (#20773).</li>
<li>Made <code class="docutils literal"><span class="pre">DjangoTestSuiteRunner.setup_databases</span></code> properly handle aliases for
the default database (#19940) and prevented <code class="docutils literal"><span class="pre">teardown_databases</span></code> from
attempting to tear down aliases (#20681).</li>
<li>Fixed the <code class="docutils literal"><span class="pre">django.core.cache.backends.memcached.MemcachedCache</span></code> backend&#8217;s
<code class="docutils literal"><span class="pre">get_many()</span></code> method on Python 3 (#20722).</li>
<li>Fixed <a class="reference internal" href="../ref/contrib/humanize.html#module-django.contrib.humanize" title="django.contrib.humanize: A set of Django template filters useful for adding a &quot;human touch&quot; to data."><code class="xref py py-mod docutils literal"><span class="pre">django.contrib.humanize</span></code></a> translation syntax errors. Affected
languages: Mexican Spanish, Mongolian, Romanian, Turkish (#20695).</li>
<li>Added support for wheel packages (#19252).</li>
<li>The CSRF token now rotates when a user logs in.</li>
<li>Some Python 3 compatibility fixes including #20212 and #20025.</li>
<li>Fixed some rare cases where <a class="reference internal" href="../ref/models/querysets.html#django.db.models.query.QuerySet.get" title="django.db.models.query.QuerySet.get"><code class="xref py py-meth docutils literal"><span class="pre">get()</span></code></a>
exceptions recursed infinitely (#20278).</li>
<li><a class="reference internal" href="../ref/django-admin.html#django-admin-makemessages"><code class="xref std std-djadmin docutils literal"><span class="pre">makemessages</span></code></a> no longer crashes with <code class="docutils literal"><span class="pre">UnicodeDecodeError</span></code>
(#20354).</li>
<li>Fixed <code class="docutils literal"><span class="pre">geojson</span></code> detection with Spatialite.</li>
<li><a class="reference internal" href="../topics/testing/tools.html#django.test.SimpleTestCase.assertContains" title="django.test.SimpleTestCase.assertContains"><code class="xref py py-meth docutils literal"><span class="pre">assertContains()</span></code></a> once again works with
binary content (#20237).</li>
<li>Fixed <a class="reference internal" href="../ref/models/fields.html#django.db.models.ManyToManyField" title="django.db.models.ManyToManyField"><code class="xref py py-class docutils literal"><span class="pre">ManyToManyField</span></code></a> if it has a unicode <code class="docutils literal"><span class="pre">name</span></code>
parameter (#20207).</li>
<li>Ensured that the WSGI request&#8217;s path is correctly based on the
<code class="docutils literal"><span class="pre">SCRIPT_NAME</span></code> environment variable or the <a class="reference internal" href="../ref/settings.html#std:setting-FORCE_SCRIPT_NAME"><code class="xref std std-setting docutils literal"><span class="pre">FORCE_SCRIPT_NAME</span></code></a>
setting, regardless of whether or not either has a trailing slash (#20169).</li>
<li>Fixed an obscure bug with the <a class="reference internal" href="../topics/testing/tools.html#django.test.override_settings" title="django.test.override_settings"><code class="xref py py-func docutils literal"><span class="pre">override_settings()</span></code></a>
decorator. If you hit an <code class="docutils literal"><span class="pre">AttributeError:</span> <span class="pre">'Settings'</span> <span class="pre">object</span> <span class="pre">has</span> <span class="pre">no</span> <span class="pre">attribute</span>
<span class="pre">'_original_allowed_hosts'</span></code> exception, it&#8217;s probably fixed (#20636).</li>
</ul>
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<li><a class="reference internal" href="#">Django 1.5.2 release notes</a><ul>
<li><a class="reference internal" href="#mitigated-possible-xss-attack-via-user-supplied-redirect-urls">Mitigated possible XSS attack via user-supplied redirect URLs</a></li>
<li><a class="reference internal" href="#xss-vulnerability-in-django-contrib-admin">XSS vulnerability in <code class="docutils literal"><span class="pre">django.contrib.admin</span></code></a><ul>
<li><a class="reference internal" href="#bugfixes">Bugfixes</a></li>
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