Make the CKEditor GeneralHtmlSupport allow list configurable (rel-11_0 backport, #5897) - #5901
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July 21, 2026 14:15
The htmlSupport allow list was hardcoded in Core.UI.RichTextEditor.js (span, cite, style, table). Everything else loses attributes, classes and inline styles that no active editor feature handles — for example a border style on an image is silently stripped, with no way to change that from the outside. Move the element list to the new SysConfig settings Frontend::RichText::HtmlSupportAllowedElements and CustomerFrontend::RichText::HtmlSupportAllowedElements (default keeps the current behavior) and pass it to the editor via the RichText JS data.
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Backport of #5900 to
rel-11_0— see #5897 for the full rationale.Summary
Moves the hardcoded
htmlSupportallow list (span,cite,style,table) fromCore.UI.RichTextEditor.jsinto the new SysConfig settingsFrontend::RichText::HtmlSupportAllowedElements/CustomerFrontend::RichText::HtmlSupportAllowedElements. Defaults keep the current behavior; administrators can extend the list (e.g. addimgso image border styles survive) without code changes.Identical change as the
rel-11_1PR, re-applied on top ofrel-11_0(the surroundingFrontend::CKEditorPlugins/Frontend::EnhancedCKEditorToolbarsettings do not exist here, the new settings are placed afterFrontend::RichText::EnhancedMode::Customer).