Check read permission when loading page content in ApiParse (CVE-2016-6331)
Make blocks log users out if $wgBlockDisablesLogin is true (CVE-2016-6332)
Make $wgBlockDisablesLogin also restrict logged in permissions (CVE-2016-6332)
Require login to preview user CSS pages (CVE-2016-6333)
Escape '<' and ']]>' in inline