CVE-2018-10100 : What You Need to Know

WordPress 4.9.5 and earlier versions had a vulnerability where the validation and sanitation of the redirection URL for the login page were lacking when HTTPS was enforced.

Understanding CVE-2018-10100

In versions prior to WordPress 4.9.5, a security flaw existed in the handling of redirection URLs for the login page when HTTPS was enforced.

What is CVE-2018-10100?

Before WordPress version 4.9.5, the login page's redirection URL was not properly validated or sanitized when HTTPS was enforced, leaving it vulnerable to exploitation.

The Impact of CVE-2018-10100

This vulnerability could potentially allow attackers to manipulate the redirection URL for the login page, leading to unauthorized access or phishing attacks.

Technical Details of CVE-2018-10100

WordPress CVE-2018-10100 involves the following technical aspects:

Vulnerability Description

The issue stemmed from the lack of validation and sanitation of the redirection URL for the login page in WordPress versions prior to 4.9.5.

Affected Systems and Versions

Product: WordPress
Versions affected: Prior to 4.9.5

Exploitation Mechanism

Attackers could exploit this vulnerability by manipulating the redirection URL for the login page, potentially leading to unauthorized access or phishing attempts.

Mitigation and Prevention

To address CVE-2018-10100, consider the following mitigation strategies:

Immediate Steps to Take

Update WordPress to version 4.9.5 or later to patch the vulnerability.
Monitor login activities for any suspicious behavior.

Long-Term Security Practices

Regularly update WordPress and plugins to the latest versions.
Implement HTTPS best practices to enhance overall website security.

Patching and Updates

Ensure timely installation of security patches and updates provided by WordPress to prevent exploitation of known vulnerabilities.