CVE-2021-38343 : Security Advisory and Response

A detailed overview of the CVE-2021-38343 vulnerability in the Nested Pages WordPress plugin version <= 3.1.15.

Understanding CVE-2021-38343

This section delves into the specifics of the CVE-2021-38343 vulnerability found in Nested Pages plugin.

What is CVE-2021-38343?

The Nested Pages WordPress plugin version <= 3.1.15 was susceptible to an Open Redirect vulnerability through specific POST parameters.

The Impact of CVE-2021-38343

The vulnerability could allow threat actors to redirect users to malicious websites, leading to potential security risks and attacks.

Technical Details of CVE-2021-38343

Explore the technical aspects of the CVE-2021-38343 vulnerability to understand its implications.

Vulnerability Description

The flaw allowed an attacker to perform an Open Redirect via the

page

POST parameter in certain admin_post actions.

Affected Systems and Versions

The Nested Pages WordPress plugin version <= 3.1.15 is affected by this security issue.

Exploitation Mechanism

By manipulating the

page

parameter in specific actions, an attacker could trick users into visiting malicious sites.

Mitigation and Prevention

Discover the necessary steps to mitigate the CVE-2021-38343 vulnerability and enhance overall security.

Immediate Steps to Take

Update the Nested Pages plugin to version 3.1.16 to patch the Open Redirect vulnerability.

Long-Term Security Practices

Regularly update plugins and themes, employ security plugins, and educate users on avoiding suspicious links to bolster website security.

Patching and Updates

Stay vigilant for security updates and apply patches promptly to safeguard against known vulnerabilities.