CVE-2018-20973 : Security Advisory and Response

The WordPress plugin called companion-auto-update, specifically versions prior to 3.2.1, has a vulnerability related to local file inclusion.

Understanding CVE-2018-20973

This CVE identifies a security issue in the companion-auto-update plugin for WordPress.

What is CVE-2018-20973?

The companion-auto-update plugin before version 3.2.1 for WordPress is susceptible to local file inclusion.

The Impact of CVE-2018-20973

This vulnerability could allow an attacker to include arbitrary files from the local system, potentially leading to unauthorized access or data disclosure.

Technical Details of CVE-2018-20973

The technical aspects of this CVE are as follows:

Vulnerability Description

The companion-auto-update plugin before version 3.2.1 for WordPress has a local file inclusion vulnerability.

Affected Systems and Versions

Product: WordPress
Vendor: N/A
Versions Affected: Prior to 3.2.1

Exploitation Mechanism

The vulnerability can be exploited by an attacker to include files from the local system, compromising the security of the WordPress installation.

Mitigation and Prevention

To address CVE-2018-20973, consider the following steps:

Immediate Steps to Take

Update the companion-auto-update plugin to version 3.2.1 or newer.
Monitor for any unauthorized access or unusual activities on the WordPress site.

Long-Term Security Practices

Regularly update all plugins and themes in WordPress to prevent vulnerabilities.
Implement strong access controls and authentication mechanisms.

Patching and Updates

Stay informed about security updates for WordPress plugins and apply patches promptly to mitigate risks.