Ckeditor5
Don't miss out!
Thousands of developers use stack.watch to stay informed.Get an email whenever new security vulnerabilities are reported in Ckeditor5.
By the Year
In 2025 there have been 0 vulnerabilities in Ckeditor5. Last year, in 2024 Ckeditor5 had 1 security vulnerability published. Right now, Ckeditor5 is on track to have less security vulnerabilities in 2025 than it did last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 0 | 0.00 |
| 2024 | 1 | 6.10 |
| 2023 | 0 | 0.00 |
| 2022 | 0 | 0.00 |
| 2021 | 1 | 6.50 |
It may take a day or so for new Ckeditor5 vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Ckeditor5 Security Vulnerabilities
CKEditor5 clipboard XSS (40.0.043.1.1) with Block Toolbar plugin
CVE-2024-45613
6.1 - Medium
- September 25, 2024
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.
XSS
CKEditor 5 is an open source rich text editor framework with a modular architecture
CVE-2021-21254
6.5 - Medium
- January 29, 2021
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, which could cause a significant performance drop resulting in browser tab freeze. It affects all users using CKEditor 5 Markdown plugin at version <= 24.0.0. The problem has been recognized and patched. The fix will be available in version 25.0.0.
Resource Exhaustion
