CVE-2023-47265 : What You Need to Know

This CVE involves a stored XSS vulnerability in Apache Airflow, affecting versions 2.6.0 through 2.7.3, allowing a DAG author to insert unsanitized JavaScript into the parameter description field. Users are advised to upgrade to version 2.8.0 or newer to address this issue.

Understanding CVE-2023-47265

Apache Airflow, a widely used workflow automation and scheduling system, has been found to have a critical vulnerability that could be exploited by DAG authors to execute JavaScript code on users' browsers.

What is CVE-2023-47265?

CVE-2023-47265 is a vulnerability in Apache Airflow versions 2.6.0 through 2.7.3 that enables a DAG author to insert unbounded and unsanitized JavaScript into the parameter description field, leading to a stored XSS issue.

The Impact of CVE-2023-47265

This vulnerability allows the execution of malicious JavaScript on the client side of any user viewing the tasks in the browser sandbox. Although it does not permit exiting the browser sandbox or manipulating server-side data beyond the author's permissions, it can alter what other users see in the browser, potentially leading to misinformation.

Technical Details of CVE-2023-47265

Vulnerability Description

Apache Airflow versions 2.6.0 through 2.7.3 are susceptible to stored XSS, enabling DAG authors to include unfiltered JavaScript in the DAG's parameter description field.

Affected Systems and Versions

Users of Apache Airflow versions 2.6.0 through 2.7.3 are impacted by this vulnerability. Upgrading to version 2.8.0 or newer is strongly advised.

Exploitation Mechanism

The vulnerability arises from the lack of sanitization in the parameter description field, allowing malicious JavaScript to execute on the client side of users' browsers.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-47265, users of Apache Airflow should upgrade to version 2.8.0 or a later release.

Long-Term Security Practices

Practicing secure coding techniques, regular security audits, and following best practices for web application development can help prevent similar vulnerabilities.

Patching and Updates

Staying up to date with security patches and actively monitoring vendor advisories are essential to maintaining a secure deployment of Apache Airflow.