CVE-2020-13267 : Vulnerability Insights and Analysis

A Stored Cross-Site Scripting vulnerability in GitLab versions 12.8 to 13.0.1 allows for the execution of malicious JavaScript payloads on the Metrics Dashboard.

Understanding CVE-2020-13267

This CVE involves a security issue in GitLab that enables the execution of JavaScript payloads on the Metrics Dashboard.

What is CVE-2020-13267?

This vulnerability permits Stored Cross-Site Scripting, enabling attackers to execute malicious scripts on the Metrics Dashboard in GitLab versions 12.8 through 13.0.1.

The Impact of CVE-2020-13267

The vulnerability poses a medium severity risk with a CVSS base score of 6.1, potentially leading to the execution of arbitrary code and data theft.

Technical Details of CVE-2020-13267

The technical aspects of the vulnerability in GitLab.

Vulnerability Description

Type: Stored Cross-Site Scripting
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Changed
CVSS Score: 6.1 (Medium)

Affected Systems and Versions

Affected Versions: GitLab >=12.8, <12.9.8, >=12.10, <12.10.7, >=13.0, <13.0.1

Exploitation Mechanism

The vulnerability allows attackers to inject and execute malicious JavaScript code on the Metrics Dashboard, potentially compromising user data and system integrity.

Mitigation and Prevention

Best practices to mitigate the risks associated with CVE-2020-13267.

Immediate Steps to Take

Update GitLab to versions 12.9.8, 12.10.7, or 13.0.1 to patch the vulnerability.
Monitor the Metrics Dashboard for any suspicious activities.

Long-Term Security Practices

Regularly scan and audit web applications for vulnerabilities.
Educate developers and users on secure coding practices to prevent XSS attacks.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities.