Fixed #25565 -- Removed action="" from admin forms (invalid in HTML5).

django/contrib/admin/templates/admin/change_list.html

@@ -81,7 +81,7 @@
         {% endif %}
       {% endblock %}
 
-      <form id="changelist-form" action="" method="post"{% if cl.formset.is_multipart %} enctype="multipart/form-data"{% endif %} novalidate>{% csrf_token %}
+      <form id="changelist-form" method="post"{% if cl.formset.is_multipart %} enctype="multipart/form-data"{% endif %} novalidate>{% csrf_token %}
       {% if cl.formset %}
         <div>{{ cl.formset.management_form }}</div>
       {% endif %}

django/contrib/admin/templates/admin/delete_confirmation.html

@@ -33,7 +33,7 @@
     {% include "admin/includes/object_delete_summary.html" %}
     <h2>{% trans "Objects" %}</h2>
     <ul>{{ deleted_objects|unordered_list }}</ul>
-    <form action="" method="post">{% csrf_token %}
+    <form method="post">{% csrf_token %}
     <div>
     <input type="hidden" name="post" value="yes" />
     {% if is_popup %}<input type="hidden" name="{{ is_popup_var }}" value="1" />{% endif %}

django/contrib/admin/templates/admin/delete_selected_confirmation.html

@@ -34,7 +34,7 @@
     {% for deletable_object in deletable_objects %}
         <ul>{{ deletable_object|unordered_list }}</ul>
     {% endfor %}
-    <form action="" method="post">{% csrf_token %}
+    <form method="post">{% csrf_token %}
     <div>
     {% for obj in queryset %}
     <input type="hidden" name="{{ action_checkbox_name }}" value="{{ obj.pk|unlocalize }}" />

django/contrib/admin/templates/admin/search_form.html

 {% load i18n admin_static %}
 {% if cl.search_fields %}
-<div id="toolbar"><form id="changelist-search" action="" method="get">
+<div id="toolbar"><form id="changelist-search" method="get">
 <div><!-- DIV needed for valid HTML -->
 <label for="searchbar"><img src="{% static "admin/img/search.svg" %}" alt="Search" /></label>
 <input type="text" size="40" name="{{ search_var }}" value="{{ cl.query }}" id="searchbar" />

django/contrib/admin/templates/registration/password_change_form.html

@@ -14,7 +14,7 @@
 
 {% block content %}<div id="content-main">
 
-<form action="" method="post">{% csrf_token %}
+<form method="post">{% csrf_token %}
 <div>
 {% if form.errors %}
     <p class="errornote">

django/contrib/admin/templates/registration/password_reset_confirm.html

@@ -16,7 +16,7 @@
 
 <p>{% trans "Please enter your new password twice so we can verify you typed it in correctly." %}</p>
 
-<form action="" method="post">{% csrf_token %}
+<form method="post">{% csrf_token %}
 {{ form.new_password1.errors }}
 <p class="aligned wide"><label for="id_new_password1">{% trans 'New password:' %}</label>{{ form.new_password1 }}</p>
 {{ form.new_password2.errors }}

django/contrib/admin/templates/registration/password_reset_form.html

@@ -14,7 +14,7 @@
 
 <p>{% trans "Forgotten your password? Enter your email address below, and we'll email instructions for setting a new one." %}</p>
 
-<form action="" method="post">{% csrf_token %}
+<form method="post">{% csrf_token %}
 {{ form.email.errors }}
 <p><label for="id_email">{% trans 'Email address:' %}</label> {{ form.email }} <input type="submit" value="{% trans 'Reset my password' %}" /></p>
 </form>