CVE-2023-0684 : Exploit Details and Defense Strategies

This CVE-2023-0684 involves a vulnerability in the Wicked Folders plugin for WordPress that allows for an authorization bypass, leading to potential security issues for affected users.

Understanding CVE-2023-0684

The Wicked Folders plugin for WordPress is susceptible to an authorization bypass due to a missing capability check in the ajax_unassign_folders function within versions up to, and including, 2.18.16. This loophole enables authenticated attackers with subscriber-level permissions and above to exploit this function and execute actions typically reserved for administrators, such as altering the folder structure maintained by the plugin.

What is CVE-2023-0684?

CVE-2023-0684 is categorized under CWE-862 as a Missing Authorization vulnerability, highlighting the insufficient checks in the plugin’s code that allow unauthorized users to perform privileged actions.

The Impact of CVE-2023-0684

This vulnerability poses a medium-level risk with a base CVSS score of 5.4. Exploitation of this flaw could lead to unauthorized manipulation of folder structures within the plugin by attackers with lower permission levels, potentially compromising the integrity and security of the WordPress site.

Technical Details of CVE-2023-0684

Upon closer examination, the following technical details have been identified:

Vulnerability Description

The vulnerability in the Wicked Folders plugin for WordPress stems from the absence of a proper capability check in the ajax_unassign_folders function, allowing attackers with lower permissions to execute administrator-level actions.

Affected Systems and Versions

Versions of the Wicked Folders plugin up to and including 2.18.16 are impacted by this vulnerability, leaving sites using these versions at risk of unauthorized access and manipulation.

Exploitation Mechanism

By leveraging this vulnerability, authenticated attackers with subscriber-level permissions or higher can circumvent the authorization checks in the plugin and perform actions typically restricted to administrators, potentially leading to unauthorized changes in folder structures.

Mitigation and Prevention

To address CVE-2023-0684 and enhance the security posture of affected systems, the following measures are recommended:

Immediate Steps to Take

Update the Wicked Folders plugin to a patched version that addresses the authorization bypass issue.
Monitor site activity closely for any suspicious behavior that may indicate exploitation of this vulnerability.

Long-Term Security Practices

Regularly review and update plugins and themes to mitigate potential security risks.
Implement the principle of least privilege to restrict user permissions and minimize the impact of such vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by the plugin vendor to address known vulnerabilities and enhance the overall security of the WordPress site.