diff --git a/addons/live_support/include.html b/addons/live_support/include.html
index bf761da4d1e..f548242f2ab 100644
--- a/addons/live_support/include.html
+++ b/addons/live_support/include.html
@@ -1,2 +1,2 @@
 <script type="text/javascript" src="{{url}}/live_support/static/ext/static/js/require.js"></script>
-<script type="text/javascript" src='{{url}}/live_support/loader?p={{parameters | json}}'></script>
\ No newline at end of file
+<script type="text/javascript" src='{{url}}/live_support/loader?p={{parameters | json | escape}}'></script>
\ No newline at end of file
diff --git a/addons/live_support/web_page.html b/addons/live_support/web_page.html
index 58012fc1691..0ab0474d412 100644
--- a/addons/live_support/web_page.html
+++ b/addons/live_support/web_page.html
@@ -75,7 +75,7 @@
 <body>
     <div class="main" style="opacity: 1;">
         <h1>OpenERP<span class="strong">7.0</span></h1>
-        <div class="channel_name">{{channelName}}</div>
+        <div class="channel_name">{{channelName | escape}}</div>
     </div>
 </body>
 </html>
\ No newline at end of file
diff --git a/addons/web_im/static/src/xml/im.xml b/addons/web_im/static/src/xml/im.xml
index 3d42c717174..3a9fbb5a25a 100644
--- a/addons/web_im/static/src/xml/im.xml
+++ b/addons/web_im/static/src/xml/im.xml
@@ -36,7 +36,7 @@
                 <button class="oe_im_chatview_close">×</button>
             </div>
             <div class="oe_im_chatview_disconnected">
-                <t t-esc='_.str.sprintf(_t("%s is offline. He/She will receive your messages on his/her next connection."), widget.user.get("name"))'/>
+                <t t-esc='_.str.sprintf(_t("%s is offline. He/She will receive your messages on his/her next connection."), widget.user.get("name") || "Anonymous")'/>
             </div>
             <div class="oe_im_chatview_content">
                 <div></div>