Hi,
On IRC this morning, the user brightbeat reported that using phpMyAdmin 4.0.0 and 4.0.1 with Safari 5.1.9 results in no images being displayed at the error message "Refused to load image from 'phpmyadmin/themes/pmahomme/img/logo_right.png' because of Content-Security-Policy'
I also tested with 5.1.7 under Windows and, while at the moment I don't see any error message, every image is missing and seems to be displaying ./themes/dot.gif 1px by 1px.
According to some random site I found on the internet, CSP support is a bit behind on Safari 5, so it seems reasonable to me to exclude support for Safari 5 if need be. I'll point out that Safari 5 is the latest version available for Windows and old MacOS versions, not really supported by Apple any more but still available.
I don't know enough about how CSP works to know if this is an easy fix or what the problem is. Is it worth opening a bug ticket or should we depreciate support for Safari 5?