Index: lams_central/web/includes/javascript/ckconfig_custom.js
===================================================================
diff -u -ra64f0bffedc765d829e7724b385865408a6088b2 -r6332daf6806047b32154e9af3e5f8cbacd86e86f
--- lams_central/web/includes/javascript/ckconfig_custom.js	(.../ckconfig_custom.js)	(revision a64f0bffedc765d829e7724b385865408a6088b2)
+++ lams_central/web/includes/javascript/ckconfig_custom.js	(.../ckconfig_custom.js)	(revision 6332daf6806047b32154e9af3e5f8cbacd86e86f)
@@ -134,6 +134,7 @@
 CKEDITOR.config.removePlugins = 'elementspath';
 CKEDITOR.config.allowedContent = true;
 CKEDITOR.config.toolbarCanCollapse = true;
+CKEDITOR.config.embed_provider = '//ckeditor.iframe.ly/api/oembed?url={url}&callback={callback}';//default URL for 'embed' plugin
 
 // ---- Additional scripts -----
 // Hides editor instaces until they are fully initialized