{"title":"Django 1.11.21 release notes","version":"dev","locale":"en","docname":"releases/1.11.21","url":"/en/dev/releases/1.11.21/","canonical":"https://djangodocs.dev/en/dev/releases/1.11.21/","summary":"Django 1.11.21 fixes a security issue in 1.11.20. The clickable “Current URL” link generated by AdminURLFieldWidget displayed the provided value without…","html":"<h1>Django 1.11.21 release notes<a class=\"heading-anchor\" href=\"#django-1-11-21-release-notes\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h1>\n<p><em>June 3, 2019</em></p>\n<p>Django 1.11.21 fixes a security issue in 1.11.20.</p>\n<section id=\"cve-2019-12308-adminurlfieldwidget-xss\">\n<h2>CVE-2019-12308: AdminURLFieldWidget XSS<a class=\"heading-anchor\" href=\"#cve-2019-12308-adminurlfieldwidget-xss\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h2>\n<p>The clickable “Current URL” link generated by <code class=\"docutils literal notranslate\">AdminURLFieldWidget</code> displayed\nthe provided value without validating it as a safe URL. Thus, an unvalidated\nvalue stored in the database, or a value provided as a URL query parameter\npayload, could result in an clickable JavaScript link.</p>\n<p><code class=\"docutils literal notranslate\">AdminURLFieldWidget</code> now validates the provided value using\n<a class=\"reference internal\" href=\"/en/dev/ref/validators/#django.core.validators.URLValidator\" title=\"django.core.validators.URLValidator\"><code class=\"xref py py-class docutils literal notranslate\">URLValidator</code></a> before displaying the clickable\nlink. You may customize the validator by passing a <code class=\"docutils literal notranslate\">validator_class</code> kwarg to\n<code class=\"docutils literal notranslate\">AdminURLFieldWidget.__init__()</code>, e.g. when using\n<a class=\"reference internal\" href=\"/en/dev/ref/contrib/admin/#django.contrib.admin.ModelAdmin.formfield_overrides\" title=\"django.contrib.admin.ModelAdmin.formfield_overrides\"><code class=\"xref py py-attr docutils literal notranslate\">formfield_overrides</code></a>.</p>\n</section>","rootId":"django-1-11-21-release-notes","toc":[{"title":"CVE-2019-12308: AdminURLFieldWidget XSS","anchor":"cve-2019-12308-adminurlfieldwidget-xss","children":[]}],"breadcrumbs":[{"docname":"releases/index","title":"Release notes","url":"/en/dev/releases/"}],"prev":{"docname":"releases/1.11.22","title":"Django 1.11.22 release notes","url":"/en/dev/releases/1.11.22/"},"next":{"docname":"releases/1.11.20","title":"Django 1.11.20 release notes","url":"/en/dev/releases/1.11.20/"},"formats":{"html":"/en/dev/releases/1.11.21/","markdown":"/en/dev/releases/1.11.21.md","json":"/en/dev/releases/1.11.21.json"},"source":"https://github.com/django/django/blob/main/docs/releases/1.11.21.txt","official":"https://docs.djangoproject.com/en/dev/releases/1.11.21/","inVersions":["dev","6.1","6.0","5.2","5.1","5.0","4.2","4.1","4.0","3.2","3.1","3.0","2.2","2.1","2.0","1.11"],"inLocales":["en"]}