Se libera WordPress 4.9.2 como versión de seguridad y de mantenimiento, donde se soluciona 1 problema de seguridad y 21 problemas menores que afectan a todas las versiones anteriores.
Se detecta una vulnerabilidad XSS en los archivos Flash de la biblioteca MediaElement. Como estos archivos Flash no son necesarios se eliminan de WordPress. No obstante MediaElement libera una versión que corrige este problema.
También se solucionan otros problemas de mantenimiento de versión relacionados con errores de JavaScript que no dejaban guardar entradas en Firefox, se corrige otro problema con la restauración de asignación de widgets incluso si no existen barras laterales y se restaura el comportamiento de la taxonomía de get_category_link() y category_description() respectivamente.
¿Que archivos del core sufren modificaciones en esta nueva versión?
wp-admin/includes/update-core.php wp-admin/includes/media.php wp-admin/includes/image.php wp-admin/css/customize-nav-menus.min.css wp-admin/css/common-rtl.css wp-admin/css/common-rtl.min.css wp-admin/css/common.css wp-admin/css/customize-nav-menus-rtl.css wp-admin/css/customize-nav-menus-rtl.min.css wp-admin/css/common.min.css wp-admin/css/customize-nav-menus.css wp-admin/js/plugin-install.min.js wp-admin/js/editor.js wp-admin/js/plugin-install.js wp-admin/js/editor.min.js wp-admin/js/widgets/custom-html-widgets.min.js wp-admin/js/widgets/custom-html-widgets.js wp-admin/theme-install.php wp-admin/about.php wp-includes/default-filters.php wp-includes/rest-api/class-wp-rest-server.php wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php wp-includes/wp-db.php wp-includes/customize/class-wp-customize-themes-section.php wp-includes/js/mce-view.js wp-includes/js/mce-view.min.js wp-includes/js/mediaelement/mediaelement-flash-video-hls.swf wp-includes/js/mediaelement/mediaelement-flash-video-mdash.swf wp-includes/js/mediaelement/lang/cs.js wp-includes/js/mediaelement/lang/es.js wp-includes/js/mediaelement/lang/fr.js wp-includes/js/mediaelement/lang/hr.js wp-includes/js/mediaelement/lang/ko.js wp-includes/js/mediaelement/lang/nl.js wp-includes/js/mediaelement/lang/pl.js wp-includes/js/mediaelement/lang/hu.js wp-includes/js/mediaelement/lang/it.js wp-includes/js/mediaelement/lang/sk.js wp-includes/js/mediaelement/lang/zh-cn.js wp-includes/js/mediaelement/lang/uk.js wp-includes/js/mediaelement/lang/ro.js wp-includes/js/mediaelement/lang/zh.js wp-includes/js/mediaelement/lang/ca.js wp-includes/js/mediaelement/lang/pt.js wp-includes/js/mediaelement/lang/ru.js wp-includes/js/mediaelement/lang/fa.js wp-includes/js/mediaelement/lang/de.js wp-includes/js/mediaelement/lang/sv.js wp-includes/js/mediaelement/lang/ja.js wp-includes/js/mediaelement/lang wp-includes/js/mediaelement/mediaelement-flash-audio.swf wp-includes/js/mediaelement/mediaelement-flash-video.swf wp-includes/js/mediaelement/renderers/dailymotion.js wp-includes/js/mediaelement/renderers/facebook.js wp-includes/js/mediaelement/renderers/dailymotion.min.js wp-includes/js/mediaelement/renderers/facebook.min.js wp-includes/js/mediaelement/renderers/soundcloud.js wp-includes/js/mediaelement/renderers/soundcloud.min.js wp-includes/js/mediaelement/renderers/twitch.js wp-includes/js/mediaelement/renderers/twitch.min.js wp-includes/js/mediaelement/mediaelement-flash-audio-ogg.swf 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/category-template.php wp-includes/widgets.php wp-includes/functions.php wp-includes/media.php wp-includes/random_compat/random_bytes_mcrypt.php wp-includes/random_compat/random_bytes_dev_urandom.php wp-includes/random_compat/random_bytes_openssl.php wp-includes/random_compat/random_int.php wp-includes/random_compat/random_bytes_libsodium.php wp-includes/random_compat/random_bytes_com_dotnet.php wp-includes/random_compat/random_bytes_libsodium_legacy.php wp-includes/version.php wp-content/plugins wp-content/themes/twentyseventeen/front-page.php license.txt
Consulta la Lista de cambios en WordPress 4.9.2 para más detalles en el Codex de WordPress.