CVE-2020-7971 Explained : Impact and Mitigation

GitLab EE 11.0 and later through 12.7.2 allows XSS.

Understanding CVE-2020-7971

GitLab EE versions 11.0 to 12.7.2 are vulnerable to a cross-site scripting (XSS) attack.

What is CVE-2020-7971?

This CVE identifies a security vulnerability in GitLab EE versions 11.0 through 12.7.2 that enables XSS attacks.

The Impact of CVE-2020-7971

The vulnerability allows attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-7971

GitLab EE versions 11.0 through 12.7.2 are susceptible to XSS attacks.

Vulnerability Description

The issue in GitLab EE versions 11.0 to 12.7.2 allows attackers to inject and execute malicious scripts.

Affected Systems and Versions

Product: GitLab EE
Versions: 11.0 to 12.7.2

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into GitLab EE, which are then executed in the context of a user's session.

Mitigation and Prevention

To address CVE-2020-7971, follow these steps:

Immediate Steps to Take

Update GitLab EE to version 12.7.4 or later to patch the vulnerability.
Educate users about the risks of XSS attacks and encourage safe browsing practices.

Long-Term Security Practices

Regularly monitor and audit web applications for security vulnerabilities.
Implement content security policies to mitigate XSS risks.

Patching and Updates

Stay informed about security updates from GitLab and promptly apply patches to secure your systems.