CVE-2021-41182 : Vulnerability Insights and Analysis

This CVE-2021-41182 article provides insights into a Cross-site Scripting vulnerability in jQuery-UI's Datepicker widget.

Understanding CVE-2021-41182

What is CVE-2021-41182?

jQuery-UI, the official jQuery user interface library, had a security issue pre-version 1.13.0 allowing the execution of untrusted code through the

altField

option of the Datepicker widget. The vulnerability was addressed in jQuery-UI version 1.13.0.

The Impact of CVE-2021-41182

This vulnerability could lead to executing untrusted code, potentially compromising the data and security of affected systems.

Technical Details of CVE-2021-41182

Vulnerability Description

Prior to jQuery-UI version 1.13.0, accepting untrusted sources' values for the

altField

option in the Datepicker widget may lead to code execution.

Affected Systems and Versions

Vendor: jquery
Product: jquery-ui
Vulnerable Version: < 1.13.0

Exploitation Mechanism

Untrusted code execution can occur by manipulating the

altField

option with malicious input, which was possible in versions prior to 1.13.0.

Mitigation and Prevention

Immediate Steps to Take

Update to jQuery-UI version 1.13.0 or newer to mitigate this vulnerability.
Avoid accepting values for the

altField

option from untrusted sources.

Long-Term Security Practices

Regularly update software libraries to the latest versions to patch security vulnerabilities.
Sanitize and validate user inputs in applications to prevent XSS attacks.

Patching and Updates

Ensure timely patching and updates for all software components, including libraries like jQuery-UI.