Add the safe filter for analytics data

ecommerce/templates/coupons/offer.html

@@ -23,7 +23,7 @@
 
     {% if analytics_data %}
         <script type="text/javascript">
-            var initModelData = {{ analytics_data }};
+            var initModelData = {{ analytics_data|safe }};
         </script>
     {% endif %}
 {% endblock %}

ecommerce/templates/edx/credit/checkout.html

@@ -118,7 +118,7 @@
 
         {% if analytics_data %}
             <script type="text/javascript">
-                var initModelData = {{ analytics_data }};
+                var initModelData = {{ analytics_data|safe }};
             </script>
         {% endif %}
     </div>

ecommerce/templates/oscar/basket/basket.html

@@ -25,7 +25,7 @@
 
     {% if analytics_data %}
         <script type="text/javascript">
-            var initModelData = {{ analytics_data }};
+            var initModelData = {{ analytics_data|safe }};
         </script>
     {% endif %}
 {% endblock content %}