This plug-in integrates HTMLPurifier into EC-CUBE4.0.
Install the plugin:
$ composer require exercise/htmlpurifier-bundle
$ git clone git@github.com:kurozumi/HTMLPurifier.git app/Plugin
$ bin/console e:p:i --code HTMLPurifier
$ bin/console e:p:e --code HTMLPurifier
or
$ bin/console eccube:composer:require exercise/htmlpurifier-bundle
$ git clone git@github.com:kurozumi/HTMLPurifier.git app/Plugin
$ bin/console e:p:i --code HTMLPurifier
$ bin/console e:p:e --code HTMLPurifier