diff --git a/src/c3nav/editor/hosters/base.py b/src/c3nav/editor/hosters/base.py
index 4e4b12ba..aafe5e14 100644
--- a/src/c3nav/editor/hosters/base.py
+++ b/src/c3nav/editor/hosters/base.py
@@ -5,7 +5,7 @@ from django.conf import settings
 from django.urls.base import reverse
 from django.utils.translation import ugettext_lazy as _
 
-from c3nav.editor.tasks import check_access_token, request_access_token
+from c3nav.editor.tasks import check_access_token, request_access_token, submit_edit
 from c3nav.mapdata.models import Package
 
 
@@ -114,6 +114,11 @@ class Hoster(ABC):
         session_data['checking_progress_id'] = task.id
         self._handle_checking_task(request, task, session_data)
 
+    def submit_edit(self, request, data):
+        session_data = self._get_session_data(request)
+        task = submit_edit.apply_async(access_token=session_data['access_token'], data=data)
+        return task
+
     @abstractmethod
     def get_auth_uri(self, request):
         """
@@ -133,7 +138,7 @@ class Hoster(ABC):
         """
         Task method for requesting the access token asynchroniously.
         Returns a dict with a 'state' key containing the new hoster state, an optional 'error' key containing an
-        error message and an optional 'access_token' keys containing a new access token.
+        error message and an optional 'access_token' key containing a new access token.
         """
         pass
 
@@ -144,3 +149,13 @@ class Hoster(ABC):
         Returns a dict with a 'state' key containing the new hoster state.
         """
         pass
+
+    @abstractmethod
+    def do_submit_edit(self, access_token, data):
+        """
+        Task method for submitting an edit (e.g. creating a pull request).
+
+        Returns a dict with a 'success' key that contains a boolean, an optional 'error' key containing an error
+        message and an optional 'url' key containing an URL to the created pull request.
+        """
+        pass
diff --git a/src/c3nav/editor/hosters/github.py b/src/c3nav/editor/hosters/github.py
index 41b332b6..579b4e32 100644
--- a/src/c3nav/editor/hosters/github.py
+++ b/src/c3nav/editor/hosters/github.py
@@ -80,3 +80,6 @@ class GithubHoster(Hoster):
             return {'state': 'missing_permissions'}
 
         return {'state': 'logged_in'}
+
+    def do_submit_edit(self, access_token, data):
+        raise NotImplementedError
diff --git a/src/c3nav/editor/hosters/gitlab.py b/src/c3nav/editor/hosters/gitlab.py
index d414cb1f..2ebd1947 100644
--- a/src/c3nav/editor/hosters/gitlab.py
+++ b/src/c3nav/editor/hosters/gitlab.py
@@ -75,3 +75,6 @@ class GitlabHoster(Hoster):
             return {'state': 'logged_out'}
 
         return {'state': 'logged_in'}
+
+    def do_submit_edit(self, access_token, data):
+        raise NotImplementedError
diff --git a/src/c3nav/editor/tasks.py b/src/c3nav/editor/tasks.py
index 634c62d2..278f6da4 100644
--- a/src/c3nav/editor/tasks.py
+++ b/src/c3nav/editor/tasks.py
@@ -11,3 +11,9 @@ def request_access_token(hoster, *args, **kwargs):
 def check_access_token(hoster, access_token):
     from c3nav.editor.hosters import hosters
     return hosters[hoster].do_check_access_token(access_token)
+
+
+@app.task()
+def submit_edit(hoster, access_token, data):
+    from c3nav.editor.hosters import hosters
+    return hosters[hoster].do_submit_edit(access_token, data)
diff --git a/src/c3nav/editor/templates/editor/finalize.html b/src/c3nav/editor/templates/editor/finalize.html
index 083b1ada..87dda68b 100644
--- a/src/c3nav/editor/templates/editor/finalize.html
+++ b/src/c3nav/editor/templates/editor/finalize.html
@@ -3,58 +3,78 @@
 {% load bootstrap3 %}
 {% block content %}
     {% if hoster %}
-        {% if hoster_error %}
-            <div class="alert alert-danger" role="alert">
-                <p>{{ hoster_error }}</p>
-            </div>
-        {% endif %}
-        {% if hoster_state == 'logged_in' %}
-            <h2>Propose Changes</h2>
-            <p>Please provide a short helpful title for your change.</p>
-            <form action="{% url 'editor.finalize' %}" method="POST">
-                {% csrf_token %}
-                <input type="hidden" name="data" value="{{ data }}">
-                {% bootstrap_form commit_form %}
+        {% if not task %}
 
-                {% buttons %}
-                    <button type="submit" class="btn btn-lg btn-primary">Create Pull Request</button><br>
-                    <small><em>
-                        {{ hoster.name }} – {{ hoster.base_url }}
-                    </em></small>
-                {% endbuttons %}
-            </form>
-
-        {% elif hoster_state == 'checking' %}
-            <h2>Sign in with {{ hoster.title }}</h2>
-            <form action="{% url 'editor.finalize' %}" method="POST" data-check-hoster="{{ hoster.name }}">
-                {% csrf_token %}
-                <input type="hidden" name="data" value="{{ data }}">
-                <p><img src="{% static 'img/loader.gif' %}"></p>
-                <p><em>Checking authentication, please wait…</em></p>
-            </form>
-
-        {% else %}
-            {% if hoster_state == 'misssing_permissions' %}
-                <h2>Missing {{ hoster.title }} Permissions</h2>
-                <p>c3nav is missing permissions that it needs to propose your edit.</p>
-                <p>Please click the button below to grant the missing permissions.</p>
-            {% else %}
-                <h2>Sign in with {{ hoster.title }}</h2>
-                <p>Please sign in to continue and propose your edit.</p>
+            {% if hoster_error %}
+                <div class="alert alert-danger" role="alert">
+                    <p>{{ hoster_error }}</p>
+                </div>
+            {% endif %}
+            {% if hoster_state == 'logged_in' %}
+                <h2>Propose Changes</h2>
+                <p>Please provide a short helpful title for your change.</p>
+                <form action="{% url 'editor.finalize' %}" method="POST">
+                    {% csrf_token %}
+                    <input type="hidden" name="data" value="{{ data }}">
+                    <input type="hidden" name="action" value="submit">
+                    <input type="hidden" name="editor_submit_token" value="{{ editor_submit_token }}">
+                    {% bootstrap_form commit_form %}
+
+                    {% buttons %}
+                        <button type="submit" class="btn btn-lg btn-primary">Create Pull Request</button><br>
+                        <small><em>
+                            {{ hoster.name }} – {{ hoster.base_url }}
+                        </em></small>
+                    {% endbuttons %}
+                </form>
+
+            {% elif hoster_state == 'checking' %}
+                <h2>Sign in with {{ hoster.title }}</h2>
+                <form action="{% url 'editor.finalize' %}" method="POST" data-check-hoster="{{ hoster.name }}">
+                    {% csrf_token %}
+                    <input type="hidden" name="data" value="{{ data }}">
+                    <p><img src="{% static 'img/loader.gif' %}"></p>
+                    <p><em>Checking authentication, please wait…</em></p>
+                </form>
+
+            {% else %}
+                {% if hoster_state == 'misssing_permissions' %}
+                    <h2>Missing {{ hoster.title }} Permissions</h2>
+                    <p>c3nav is missing permissions that it needs to propose your edit.</p>
+                    <p>Please click the button below to grant the missing permissions.</p>
+                {% else %}
+                    <h2>Sign in with {{ hoster.title }}</h2>
+                    <p>Please sign in to continue and propose your edit.</p>
+                {% endif %}
+                <form action="{% url 'editor.finalize' %}" method="POST">
+                    {% csrf_token %}
+                    <input type="hidden" name="data" value="{{ data }}">
+                    <input type="hidden" name="action" value="oauth">
+                    <p>
+                        <button type="submit" class="btn btn-lg btn-primary">Sign in with {{ hoster.title }}</button><br>
+                        <small><em>
+                            {{ hoster.name }} – {{ hoster.base_url }}
+                        </em></small>
+                    </p>
+                </form>
+            {% endif %}
+            <p>Alternatively, you can copy your edit below and send it to the maps maintainer.</p>
+        {% else %}
+            {% if not task.ready or redirect %}
+                <h2>Creating Pull Request…</h2>
+                <form action="{% url 'editor.finalize' %}" method="POST"{% if redirect %} name="redirect"{% else %} data-check-task="{{ task.id }}"{% endif %}>
+                    {% csrf_token %}
+                    <input type="hidden" name="data" value="{{ data }}">
+                    <input type="hidden" name="action" value="result">
+                    <input type="hidden" name="task" value="{{ task.id }}">
+                    <p><img src="{% static 'img/loader.gif' %}"></p>
+                    <p><em>Creating Pull Request…</em></p>
+                </form>
+            {% else %}
+                <h2>Pull Request created</h2>
+                <p>You can find it here:</p>
             {% endif %}
-            <form action="{% url 'editor.finalize' %}" method="POST" data-task="{{ task }}">
-                {% csrf_token %}
-                <input type="hidden" name="data" value="{{ data }}">
-                <input type="hidden" name="action" value="oauth">
-                <p>
-                    <button type="submit" class="btn btn-lg btn-primary">Sign in with {{ hoster.title }}</button><br>
-                    <small><em>
-                        {{ hoster.name }} – {{ hoster.base_url }}
-                    </em></small>
-                </p>
-            </form>
         {% endif %}
-        <p>Alternatively, you can copy your edit below and send it to the maps maintainer.</p>
     {% else %}
         <h2>Copy your edit</h2>
         <p>In order to propose your edit, please copy it and send it to the maps maintainer.</p>
diff --git a/src/c3nav/editor/views.py b/src/c3nav/editor/views.py
index e1aa214e..9dd7c584 100644
--- a/src/c3nav/editor/views.py
+++ b/src/c3nav/editor/views.py
@@ -1,12 +1,16 @@
+import string
+
 from django.conf import settings
 from django.core import signing
 from django.core.exceptions import PermissionDenied, SuspiciousOperation
 from django.http.response import Http404
 from django.shortcuts import get_object_or_404, redirect, render
+from django.utils.crypto import get_random_string
 from django.views.decorators.http import require_POST
 
 from c3nav.editor.forms import CommitForm, FeatureForm
 from c3nav.editor.hosters import get_hoster_for_package, hosters
+from c3nav.editor.tasks import submit_edit
 from c3nav.mapdata.models.feature import FEATURE_TYPES, Feature
 from c3nav.mapdata.models.package import Package
 from c3nav.mapdata.packageio.write import json_encode
@@ -112,22 +116,41 @@ def finalize(request):
         hoster = get_hoster_for_package(package)
 
     action = request.POST.get('action')
+
+    if 'commit_msg' in request.POST or action == 'submit':
+        form = CommitForm(request.POST)
+    else:
+        form = CommitForm({'commit_msg': data['commit_msg']})
+
+    task = None
+    new_submit_token = False
     if action == 'check':
         hoster.check_state(request)
     elif action == 'oauth':
         hoster.set_tmp_data(request, raw_data)
         return redirect(hoster.get_auth_uri(request))
+    elif action == 'submit' and hoster.get_state(request) == 'logged_in':
+        if request.POST.get('editor_submit_token', '') != request.session.get('editor_submit_token', None):
+            raise SuspiciousOperation('Invalid submit token.')
+        if form.is_valid():
+            new_submit_token = True
+            data['commit_msg'] = form.cleaned_data['commit_msg']
+            task = hoster.submit_edit(request, data)
+    elif action == 'result':
+        if 'task' not in request.POST:
+            raise SuspiciousOperation('Missing task id.')
+        task = submit_edit.AsyncResult(task_id=request.POST['task'])
+        try:
+            task.ready()
+        except:
+            raise Http404()
+
+    if 'editor_submit_token' not in request.session or new_submit_token:
+        request.session['editor_submit_token'] = get_random_string(42, string.ascii_letters + string.digits)
 
     hoster_state = hoster.get_state(request)
     hoster_error = hoster.get_error(request) if hoster_state == 'logged_out' else None
 
-    if request.method == 'POST' and 'commit_msg' in request.POST:
-        form = CommitForm(request.POST)
-        if form.is_valid() and hoster_state == 'logged_in':
-            pass
-    else:
-        form = CommitForm({'commit_msg': data['commit_msg']})
-
     return render(request, 'editor/finalize.html', {
         'data': raw_data,
         'action': data['action'],
@@ -137,6 +160,9 @@ def finalize(request):
         'hoster': hoster,
         'hoster_state': hoster_state,
         'hoster_error': hoster_error,
+        'redirect': action == 'submit' and not settings.CELERY_ALWAYS_EAGER,
+        'editor_submit_token': request.session['editor_submit_token'],
+        'task': {'id': task.id, 'ready': task.ready(), 'result': task.result} if task is not None else None,
         'file_path': data['file_path'],
         'file_contents': data.get('content')
     })