In addition to the security issues above, WordPress 4.8.2 contains six maintenance fixes to the 4.8 release series.
Emoji
#41584 - Upgrade Twemoji to 2.5.0
#41852 - Fix UN flag test by returning the correct value.
I18N
#41794 - Support numbers in locales during installation
Security
#13377 - Add more sanitization in _cleanup_header_comment
Widgets
#41596 - New Text Widget recognizes HTML but does not render it in the front end
#41622 - Text widget can show DOMDocument::loadHTML() warnings in admin when is_legacy_widget method is called
List of Files Revised
wp-admin/about.php
wp-admin/edit-tag-form.php
wp-admin/includes/class-wp-plugins-list-table.php
wp-admin/includes/file.php
wp-admin/includes/template.php
wp-admin/install.php
wp-admin/js/widgets/text-widgets.js
wp-admin/js/widgets/text-widgets.min.js
wp-admin/plugin-editor.php
wp-admin/plugins.php
wp-admin/setup-config.php
wp-admin/theme-editor.php
wp-admin/user-edit.php
wp-includes/class-wp-customize-manager.php
wp-includes/embed.php
wp-includes/formatting.php
wp-includes/js/mce-view.js
wp-includes/js/mce-view.min.js
wp-includes/js/tinymce/plugins/wplink/plugin.js
wp-includes/js/tinymce/plugins/wplink/plugin.min.js
wp-includes/js/tinymce/wp-tinymce.js.gz
wp-includes/js/twemoji.js
wp-includes/js/twemoji.min.js
wp-includes/js/wp-emoji-loader.js
wp-includes/js/wp-emoji-loader.min.js
wp-includes/js/wp-emoji-release.min.js
wp-includes/js/wplink.js
wp-includes/js/wplink.min.js
wp-includes/script-loader.php
wp-includes/version.php
wp-includes/widgets/class-wp-widget-text.php
wp-includes/wp-db.php