CVE-2021-34627 : Vulnerability Insights and Analysis

A vulnerability in the getSelectedMimeTypesByRole function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to view custom extensions added by administrators. This issue affects versions 2.2.3 and prior.

Understanding CVE-2021-34627

This CVE ID refers to a security vulnerability in the WP Upload Restriction plugin for WordPress, impacting versions 2.2.3 and older.

What is CVE-2021-34627?

The vulnerability in the getSelectedMimeTypesByRole function lets low-level authenticated users see custom extensions, posing a risk to data privacy.

The Impact of CVE-2021-34627

With a CVSS base score of 4.3 (Medium severity), the flaw could lead to unauthorized access to sensitive information by exploiting this plugin vulnerability.

Technical Details of CVE-2021-34627

The technical aspects of this CVE include vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The flaw in the getSelectedMimeTypesByRole function exposes custom extensions to unauthorized users, affecting the confidentiality of data.

Affected Systems and Versions

WP Upload Restriction versions 2.2.3 and older are impacted by this vulnerability.

Exploitation Mechanism

Low-level authenticated users can exploit this flaw to view custom extensions added by administrators, potentially compromising data confidentiality.

Mitigation and Prevention

To address CVE-2021-34627, immediate steps should be taken along with long-term security practices and regular patching.

Immediate Steps to Take

Uninstall the WP Upload Restriction plugin from your WordPress site to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Implement strict access controls, user permissions, and regular security audits to prevent similar vulnerabilities in the future.

Patching and Updates

Stay updated with the latest security patches released by the plugin vendor to ensure your WordPress site is secure.