Embed iframes in CKEditor. Additional attributes get stripped. Module page https://www.drupal.org/project/ckeditor_iframe Module tags #Extension Stability Beta Tags #CKEditor 5, #CKEditor 4, #Embedded content Related modules CKEditor5 HTML Embed Media Entity Inline Frame Module issues Additional attributes get stripped #CKEditor 5 [Issue] Drupal 10 & CKEditor 5 support [Module] Embedded Content [Issue] [URL Embed] CKEditor 5 Support [Issue] Provide plugin for CKEditor 5 in Drupal 9.3+ [Module] Prism #CKEditor 4 [Module] CKEditor Templates UI [Module] CKEditor Config [Module] CKEditor Description List [Module] CKEditor iFrame [Module] CKEditor #Embedded content [Article] CKEditor Embedded Content [Issue] Provide API for rerendering drupal-media through drupalElementStyles [Module] Element Embed [Module] CKEditor iFrame [Article] Paragraphs Entity Embed vs Paragraphs Inline Entity Form