<!--- Provide a general summary of the issue in the Title above --> <!--- Before adding new issues, please, check this article https://github.com/magento/magento2/wiki/Issue-reporting-guidelines--> ### Preconditions <!--- Provide a more detailed information of environment you use --> <!--- Magento version, tag, HEAD, etc., PHP & MySQL version, etc.. --> 1. Magento 2.1 2. PHP 5.6 , Nginx+PHP-Fpm ### Steps to reproduce <!--- Provide a set of unambiguous steps to reproduce this bug include code, if relevant --> 1. Create a new User Role. 2. Content --> Pages should only be allowed. 3. Assign the role to any user. 4. Login with the above user credential and make sure you have access to only Pages. 5. Go to Pages 6. Click Add New Page --> Click Content --> Click Show Hide Editor ( Press F5 or refresh the page ) 7. Try Insert Widget --> Select Catalog Product List from drop down --> Click the + icon to select products -- > Click list icon ### Expected result <!--- Tell us what should happen --> 1. Tiny Mce should be viewed. 2. Product list should show up for selection. ### Actual result <!--- Tell us what happens instead --> 1. Editor not displayed. 2. Page refreshed. <!--- (This may be platform independent comment) -->