CVE-2021-37695 : What You Need to Know

CKEditor is an open-source WYSIWYG HTML editor with rich content support. A vulnerability in CKEditor 4 allowed attackers to inject malformed Fake Objects HTML, potentially leading to the execution of JavaScript code. This vulnerability affects users utilizing CKEditor 4 versions prior to 4.16.2. The issue has been identified and resolved through a patch included in version 4.16.2.

Understanding CVE-2021-37695

This section provides insights into what CVE-2021-37695 entails.

What is CVE-2021-37695?

CVE-2021-37695 is a vulnerability in CKEditor 4 that permitted the injection of malformed Fake Objects HTML, enabling the execution of JavaScript code.

The Impact of CVE-2021-37695

The vulnerability poses a high severity risk, potentially compromising the confidentiality and integrity of user data. It requires low privileges to exploit, with user interaction necessary.

Technical Details of CVE-2021-37695

Here are the technical aspects of CVE-2021-37695.

Vulnerability Description

The vulnerability allowed threat actors to inject malformed Fake Objects HTML, leading to the execution of JavaScript code within CKEditor 4.

Affected Systems and Versions

Users with CKEditor 4 versions below 4.16.2 are vulnerable to this exploit.

Exploitation Mechanism

The vulnerability was exploited by injecting specially crafted Fake Objects HTML within CKEditor 4, enabling the execution of malicious JavaScript code.

Mitigation and Prevention

Discover how to address and prevent CVE-2021-37695.

Immediate Steps to Take

Users are urged to update their CKEditor 4 installations to version 4.16.2 to mitigate the vulnerability successfully.

Long-Term Security Practices

Implement security best practices, such as regular software updates and code reviews, to enhance resilience against potential vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by CKEditor to address known vulnerabilities effectively.