SharePoint 2013: How do I reference a html 'source' file from another site collection in a Content Editor Web Part?
Content Editor Web Parts are fantastic for rendering content, but there is small problem if you want to reference a file (through a ContentLink) on another site collection - you are not allowed to! Cross-site scripting is not a good thing. This problem becomes apparent when you have a 'source' site collection that will host all the html/js files and you want all other site collections to reference this (single) source of truth. There are a few options available to resolve the problem. 1. Copy all the JS/Html files to each site collection and reference them locally. (Easy, but it will create a maintenance nightmare if you have lots of site collections). 2. Enable Anonymous access to the 'source' site collection. (Easy, but not a great solution) 3. Install Content Link Web Part from Codeplex. (Better, but requires a Farm Solution) 4. Move the link from the ContentLink to the Content in the webpart. The key to resolving the problem is nested CDATA tags. In my ...