CVE-2020-18066 Explained : Impact and Mitigation

A Cross Site Scripting vulnerability in ZrLog 2.1.0 allows attackers to exploit the 'userName' and 'email' parameters in post/addComment.

Understanding CVE-2020-18066

This CVE involves a security issue in ZrLog 2.1.0 that enables Cross Site Scripting attacks through specific parameters.

What is CVE-2020-18066?

CVE-2020-18066 is a Cross Site Scripting vulnerability in ZrLog 2.1.0, affecting the 'userName' and 'email' parameters in the post/addComment functionality.

The Impact of CVE-2020-18066

This vulnerability can be exploited by attackers to inject malicious scripts into web pages viewed by other users, leading to potential data theft or unauthorized actions.

Technical Details of CVE-2020-18066

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

Vulnerability Description

The vulnerability arises from inadequate input validation in the 'userName' and 'email' parameters, allowing malicious scripts to be executed.

Affected Systems and Versions

Affected System: ZrLog 2.1.0
Affected Versions: All versions of ZrLog 2.1.0

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the 'userName' and 'email' parameters when adding comments, potentially affecting other users accessing the same content.

Mitigation and Prevention

Protecting systems from CVE-2020-18066 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the affected functionality in ZrLog 2.1.0 that allows user input in the 'userName' and 'email' parameters.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.

Long-Term Security Practices

Regularly update ZrLog to the latest version to patch known vulnerabilities.
Educate users on safe browsing practices to minimize the risk of XSS attacks.

Patching and Updates

Check for security patches or updates provided by ZrLog's official sources to address CVE-2020-18066 and other security issues.