CVE-2021-22260 : What You Need to Know

A stored Cross-Site Scripting vulnerability in the DataDog integration in GitLab versions allows attackers to execute arbitrary JavaScript code on the victim's behalf.

Understanding CVE-2021-22260

This CVE describes a stored Cross-Site Scripting vulnerability affecting GitLab versions.

What is CVE-2021-22260?

The vulnerability allows an attacker to run malicious JavaScript code via the DataDog integration in GitLab versions.

The Impact of CVE-2021-22260

The impact is rated as HIGH, with a CVSS base score of 7.7. Attack complexity is high, requiring low privileges, and user interaction is needed.

Technical Details of CVE-2021-22260

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises due to improper neutralization of input during web page generation in GitLab, leading to Cross-Site Scripting.

Affected Systems and Versions

GitLab versions >=13.7 and <14.0.9, >=14.1 and <14.1.4, >=14.2 and <14.2.2 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious JavaScript code into the DataDog integration, allowing them to execute commands on the victim's behalf.

Mitigation and Prevention

Steps to address and prevent the CVE.

Immediate Steps to Take

Users should update GitLab to versions not affected by the vulnerability. Additionally, monitoring for unauthorized access is recommended.

Long-Term Security Practices

Implement strict input validation and sanitize user-generated content to prevent Cross-Site Scripting attacks.

Patching and Updates

Regularly update GitLab to the latest versions to ensure protection against known vulnerabilities.