CVE-2018-11093 : Security Advisory and Response

A flaw in the Link package for CKEditor 5 versions prior to 10.0.1 allows attackers to introduce arbitrary web script by manipulating the href attribute of a link element.

Understanding CVE-2018-11093

This CVE involves a cross-site scripting (XSS) vulnerability in the Link package for CKEditor 5 before version 10.0.1.

What is CVE-2018-11093?

This CVE identifies a security flaw in CKEditor 5 that enables remote attackers to inject malicious web scripts through a crafted href attribute in a link element.

The Impact of CVE-2018-11093

The vulnerability can be exploited by attackers to execute arbitrary web scripts, potentially leading to unauthorized access, data theft, or other malicious activities.

Technical Details of CVE-2018-11093

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in the Link package for CKEditor 5 versions prior to 10.0.1 allows attackers to manipulate the href attribute of a link element to introduce arbitrary web scripts.

Affected Systems and Versions

Product: CKEditor 5
Versions affected: Prior to 10.0.1

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious href attribute in a link (A) element to inject arbitrary web scripts.

Mitigation and Prevention

Protecting systems from CVE-2018-11093 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update CKEditor to version 10.0.1 or newer to mitigate the vulnerability.
Regularly monitor for security advisories and patches from CKEditor.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.
Educate developers on secure coding practices to avoid similar vulnerabilities in the future.

Patching and Updates

Ensure timely installation of security patches and updates provided by CKEditor to address known vulnerabilities.