Fix logout

templates/admin/base.html

@@ -75,5 +75,8 @@
     {% if user.has_usable_password %}
     <a href="{% url 'admin:password_change' %}">{% translate 'Change password' %}</a> /
     {% endif %}
-    <a href="{% url 'admin:logout' %}">{% translate 'Log out' %}</a>
+    <form>
+      {% csrf_token %}
+      <button formmethod="{% url 'admin:logout' %}" formmethod="post" type="submit">{% translate 'Log out' %}</button>
+    </form>
 {% endblock %}