CVE-2018-20147 : Vulnerability Insights and Analysis

WordPress versions prior to 4.9.9 and 5.x before 5.0.1 allowed authors to manipulate metadata to bypass file deletion restrictions.

Understanding CVE-2018-20147

Authors in affected WordPress versions could exploit metadata to circumvent file deletion limitations.

What is CVE-2018-20147?

In WordPress versions before 4.9.9 and 5.x before 5.0.1, authors had the ability to modify metadata to evade intended constraints on file deletion.

The Impact of CVE-2018-20147

This vulnerability could potentially lead to unauthorized file deletions and compromise the integrity of the WordPress site.

Technical Details of CVE-2018-20147

Authors could manipulate metadata to bypass file deletion restrictions in affected WordPress versions.

Vulnerability Description

Authors in versions prior to WordPress 4.9.9 and 5.x before 5.0.1 could manipulate metadata to circumvent the intended limitations on file deletion.

Affected Systems and Versions

WordPress versions before 4.9.9
WordPress 5.x before 5.0.1

Exploitation Mechanism

Authors exploited metadata manipulation to bypass the restrictions on file deletion in WordPress.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2018-20147.

Immediate Steps to Take

Update WordPress to version 4.9.9 or 5.0.1 to patch the vulnerability.
Monitor file deletion activities for any suspicious behavior.

Long-Term Security Practices

Regularly update WordPress and plugins to the latest versions.
Implement strong access controls and permissions to prevent unauthorized file deletions.
Educate authors on secure metadata handling practices.

Patching and Updates

Apply security patches released by WordPress promptly to address vulnerabilities and enhance site security.