CVE-2024-45613— CKEditor 5 has Cross-site Scripting vulnerability in the clipboard package
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I. Basic Information for CVE-2024-45613
Vulnerability Information
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Vulnerability Title
CKEditor 5 has Cross-site Scripting vulnerability in the clipboard package
Source: NVD (National Vulnerability Database)
Vulnerability Description
CKEditor 5 is a JavaScript rich-text editor. Starting in version 40.0.0 and prior to version 43.1.1, a Cross-Site Scripting (XSS) vulnerability is present in the CKEditor 5 clipboard package. This vulnerability could be triggered by a specific user action, leading to unauthorized JavaScript code execution, if the attacker managed to insert a malicious content into the editor, which might happen with a very specific editor configuration. This vulnerability only affects installations where the Block Toolbar plugin is enabled and either the General HTML Support (with a configuration that permits unsafe markup) or the HTML Embed plugin is also enabled. A fix for the problem is available in version 43.1.1. As a workaround, one may disable the block toolbar plugin.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
CKEditor 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CKEditor是Marek Lewandowski个人开发者的一套开源的、基于网页的文字编辑器。 CKEditor 5 40.0.0版本至43.1.1之前之前版本存在跨站脚本漏洞，该漏洞源于存在跨站脚本(XSS)，从而导致未经授权的JavaScript代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-45613
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- https://github.com/ckeditor/ckeditor5/releases/tag/v43.1.1x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2024-45613
IV. Related Vulnerabilities
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Regular expression Denial of Service in multiple packages
Same vendor: ckeditor
- CVE-2026-28343
CKEditor: Cross-site scripting (XSS) in the HTML Support pac - CVE-2025-58064
CKEditor is susceptible to Cross-Site Scripting (XSS) throug - CVE-2025-25299
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V. Comments for CVE-2024-45613
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