CVE-2020-11023 : Security Advisory and Response

This CVE involves a potential XSS vulnerability in jQuery versions >= 1.0.3 and < 3.5.0, allowing the execution of untrusted code when manipulating DOM elements.

Understanding CVE-2020-11023

In this section, we will delve into the details of the CVE-2020-11023 vulnerability.

What is CVE-2020-11023?

CVE-2020-11023 is a Cross-Site Scripting (XSS) vulnerability found in jQuery versions >= 1.0.3 and < 3.5.0.

The Impact of CVE-2020-11023

The vulnerability could lead to the execution of untrusted code when passing HTML containing <option> elements from untrusted sources to jQuery's DOM manipulation methods.

Technical Details of CVE-2020-11023

Let's explore the technical aspects of CVE-2020-11023.

Vulnerability Description

The issue arises when untrusted HTML containing <option> elements is passed to jQuery's DOM manipulation methods, potentially executing untrusted code.

Affected Systems and Versions

Vendor: jQuery
Product: jQuery
Affected Versions: >= 1.0.3, < 3.5.0

Exploitation Mechanism

The vulnerability can be exploited by passing malicious HTML code containing <option> elements from untrusted sources to jQuery's DOM manipulation methods.

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2020-11023 vulnerability.

Immediate Steps to Take

Update jQuery to version 3.5.0 or later to patch the vulnerability.
Avoid passing HTML from untrusted sources to jQuery's DOM manipulation methods.

Long-Term Security Practices

Regularly update jQuery and other libraries to the latest secure versions.
Implement input validation and output encoding to prevent XSS attacks.

Patching and Updates

Ensure timely application of security patches and updates to address known vulnerabilities.