Cross-site Scripting (XSS)

@ckeditor/ckeditor5-markdown-gfm is vulnerable to cross-site scripting. An attacker can inject and execute a malicious javascript if the library uses an unsafe markup configuration inside the editor, initializes the editor on an element that uses an element other than as a base, or destroys the...

CVE-2022-31175: Improper Neutralization of Input During Web Page Generation

CKEditor 5 is a JavaScript rich text editor. A cross-site scripting vulnerability has been discovered affecting three optional CKEditor 5's packages in versions prior to 35.0.1. The vulnerability allowed to trigger a JavaScript code after fulfilling special conditions. The affected packages are...

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...

CVE-2021-21254: Uncontrolled Resource Consumption

CKEditor 5 is an open source rich text editor framework with a modular architecture. The CKEditor 5 Markdown plugin @ckeditor/ckeditor5-markdown-gfm before version 25.0.0 has a regex denial of service ReDoS vulnerability. The vulnerability allowed to abuse link recognition regular expression, whi...