If I use the CKEditor plugin in an HTML page based on a Bootstrap template, it works great, however if I insert the editor on a Bootstrap Modal like this
This is late to answer but doing css trick will solve the issue.
Default z-index of Bootstrap modal is 10051 and default z-index of ckeditor dialog are 10010. The trick is just to increase ckeditor dialog z-index as below. put below code in your css file: