Cross-site Scripting (XSS)

Overview @ckeditor/ckeditor5-engine is a The editing engine of CKEditor 5 – the best browser-based rich text editor. Affected versions of this package are vulnerable to Cross-site Scripting XSS via its unsafe htmlSupport configuration. An attacker can execute unauthorized JavaScript in the editor...

@7365admin1/layer-common (>=3.0.8, <=4.2.26), @_sh/strapi-plugin-ckeditor (>=7.0.0, <=7.1.0) +95 more potentially affected by CVE-2026-28343 via @ckeditor/ckeditor5-engine (>=47.0.0, <=47.5.0-alpha.8)

@ckeditor/ckeditor5-engine NPM version =47.0.0, =3.0.8, =7.0.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.0.0-alpha.0, =47.5.0 and...

CVE-2021-21391: Uncontrolled Resource Consumption

CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, a regular...