Content-Security-Policy for the Backend
There is still (7.6) CSP Issues in the backend (/typo3) and I am wondering why ticket 63712 has been closed.
We should add a fitting CSP to the .htaccess in /typo3. Currently I am adding
Header set Content-Security-Policy "default-src * 'unsafe-eval' 'unsafe-inline';
in /typo3/.htaccess to overrule the more strict CSP of the website itself and make the backend work as well.
It would be a nice security feature if the TYPO3 backend would support a stricter CSP.