CVE-2025-58064 CKEditor is susceptible to Cross-Site Scripting (XSS) through its clipboard package

CKEditor 5 is a modern JavaScript rich-text editor with an MVC architecture. ckeditor5 and ckeditor5-clipboard versions 46.0.0 through 46.0.2 and 44.2.0 through 45.2.1 contain a Cross-Site Scripting XSS vulnerability. Ability to exploit could be triggered by a specific user action leading to...

Cross-Site Scripting (XSS)

@jitbit/htmlsanitizer is vulnerable to cross-site scripting. The vulnerability is due to improper sanitization caused by the code beautifier running after sanitation when used with a contentEditable element, allows an attacker to inject and execute malicious scripts in a victim’s browser...

Mozilla: XSS when pasting attacker-controlled data into a contenteditable element

The Mozilla Foundation Security Advisory describes this flaw as: Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element...

CVE-2017-5452

Malicious sites can display a spoofed addressbar on a page when the existing location bar on the new page is scrolled out of view if an HTML editable page element is user selected. Note: This attack only affects Firefox for Android. Other operating systems are not affected. This vulnerability...