CVE-2020-13330 : What You Need to Know

An issue has been discovered in GitLab affecting versions prior to 12.10.13. GitLab was vulnerable to a stored XSS in the Bitbucket project import feature.

Understanding CVE-2020-13330

This CVE involves a stored XSS vulnerability in GitLab, impacting versions before 12.10.13.

What is CVE-2020-13330?

The vulnerability allows for improper neutralization of input during web page generation, leading to cross-site scripting (XSS) in GitLab.

The Impact of CVE-2020-13330

CVSS Score: 4.4 (Medium Severity)
Attack Vector: Network
Attack Complexity: High
User Interaction: Required
Scope: Changed
No Availability Impact
Low Confidentiality and Integrity Impact
Low Privileges Required

Technical Details of CVE-2020-13330

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability involves improper neutralization of input during web page generation, resulting in a stored XSS issue in GitLab.

Affected Systems and Versions

Affected Product: GitLab
Vendor: GitLab
Vulnerable Versions: >=11.2, <12.10.13

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the Bitbucket project import feature, potentially leading to unauthorized access or data theft.

Mitigation and Prevention

Protecting systems from CVE-2020-13330 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update GitLab to version 12.10.13 or newer to mitigate the vulnerability.
Monitor and restrict user input to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Conduct security audits and penetration testing to identify and remediate potential weaknesses.

Patching and Updates

GitLab has released patches addressing this vulnerability. Ensure timely installation of updates to secure your system.