CVE-2021-29450 : What You Need to Know

WordPress Authenticated disclosure of password-protected posts and pages.

Understanding CVE-2021-29450

This CVE affects the WordPress CMS, allowing exploitation of a block in the editor that exposes password-protected content with at least contributor privileges.

What is CVE-2021-29450?

WordPress versions >= 4.70 and < 5.7.1 are vulnerable to disclosing sensitive information, such as password-protected posts and pages, due to an exploitation of a specific block.

The Impact of CVE-2021-29450

The vulnerability has a CVSS base score of 6.5 (Medium Severity) with high confidentiality impact. Attack complexity is low, requiring only network access and low privileges.

Technical Details of CVE-2021-29450

This vulnerability in WordPress allows attackers to access password-protected content, affecting versions between 4.70 and 5.7.1.

Vulnerability Description

An exploit in a WordPress editor block exposes password-protected content, posing a risk to confidentiality.

Affected Systems and Versions

WordPress versions >= 4.70 and < 5.7.1 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit a specific feature in the WordPress editor to view secure content without authorization.

Mitigation and Prevention

To address CVE-2021-29450, immediate steps and long-term security practices must be followed.

Immediate Steps to Take

Update WordPress to version 5.7.1 or apply the security patches released for older versions. Enable auto-updates for ongoing protection.

Long-Term Security Practices

Regularly update WordPress and plugins, use strong passwords, monitor account activities, and restrict user privileges.

Patching and Updates

WordPress 5.7.1 contains the fix for this vulnerability to prevent the disclosure of password-protected content.