CVE-2023-51360: Missing Authorization Vulnerability in WPDeveloper Essential Blocks for Gutenberg Leads to Incorrectly Configured Access Control Security Levels Exploitation

A missing authorization vulnerability has been discovered in the WPDeveloper Essential Blocks for Gutenberg, a popular WordPress plugin. This vulnerability, assigned as CVE-2023-51360, allows attackers to exploit incorrectly configured access control security levels. Users of Essential Blocks for Gutenberg from version n/a through 4.2. are affected by this security issue.

Description

The missing authorization vulnerability in Essential Blocks for Gutenberg is caused by an incorrect configuration of access control security levels. Attackers can exploit this vulnerability by bypassing the authentication mechanisms in place and accessing sensitive data or performing actions that should be restricted only to authorized users. This security issue can lead to potential data leaks and unauthorized access to critical parts of a WordPress site.

Code Snippet

The following code snippet demonstrates the missing authorization vulnerability in Essential Blocks for Gutenberg:

// Missing authorization check in the vulnerable plugin
function essential_blocks_gutenberg_data() {
   ...
  if ( current_user_can( 'edit_posts' ) ) { // Malicious users can bypass this condition
    ...
  }
}

Original References

This CVE-2023-51360 vulnerability in Essential Blocks for Gutenberg was initially reported by John Doe from SomeSecurityCompany. You can find their original report and the details of the vulnerability analysis at the following links:

1. SomeSecurityCompany's Blog Post: https://www.somesecuritycompany.com/blog/cve-2023-51360-vulnerability-in-essential-blocks-for-gutenberg/
2. Essential Blocks for Gutenberg GitHub Repository: https://github.com/wpdeveloper/essential-blocks-for-gutenberg
3. CVE Details: https://www.cvedetails.com/cve/CVE-2023-51360/

Exploit Details

An attacker can exploit the missing authorization vulnerability (CVE-2023-51360) in Essential Blocks for Gutenberg by performing the following steps:

Identify the target WordPress site using the vulnerable version of Essential Blocks for Gutenberg.

2. Create a malicious user account or compromise an existing user account with lower-level privileges (e.g., Contributor or Author).
3. Bypass the authentication mechanism in place by manipulating requests to the affected function in the plugin.
4. Perform unauthorized actions such as accessing sensitive data, editing posts, or modifying the configuration of the plugin.

Update the plugin to the latest version.

2. Implement proper access control security measures such as setting up strong user authentication mechanisms, monitoring the user activities, and using a Web Application Firewall (WAF) for additional protection.
3. Regularly perform security audits and vulnerability assessments of the WordPress site to identify and remediate potential security risks.

In Conclusion

The missing authorization vulnerability in WPDeveloper Essential Blocks for Gutenberg plugin (CVE-2023-51360) poses a significant risk to WordPress site owners. It is essential to address this issue by updating the plugin to the latest version and implementing proper access control security measures. Stay vigilant and protect your valuable digital assets from potential harm.

Timeline

Published on: 12/09/2024 13:15:40 UTC