Unauthenticated CSRF in Child Theme Wizard

Executive Summary

The WordPress Child Theme Wizard Plugin, versions 1.4 and below, is vulnerable to an unauthenticated Cross Site Request Forgery (CSRF) attack.

This vulnerability allows attackers to trick higher privileged users into executing unwanted actions while authenticated, by making them click a malicious link or visit a crafted page.

The vulnerability has a CVSS score of 8.2, indicating a significant risk.

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Detection Guidance

This vulnerability affects the WordPress Child Theme Wizard Plugin versions 1.4 and below. Detection involves identifying if the vulnerable plugin version is installed on your WordPress site.

You can check the installed plugin version by accessing your WordPress admin dashboard or by inspecting the plugin files directly.

From the command line, you can use commands to list the plugin version if you have access to the WordPress installation directory. For example:

• Navigate to the plugins directory: cd wp-content/plugins/child-theme-wizard
• Check the version in the plugin's main PHP file (usually contains a version header): grep 'Version' child-theme-wizard.php

Alternatively, you can scan your network traffic or logs for suspicious CSRF attack patterns, but this requires advanced monitoring and is not specifically detailed in the provided resources.

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Impact Analysis

This vulnerability can lead to attackers forcing privileged users to perform unintended actions on the website without their consent.

Such actions could compromise the integrity of the website, potentially leading to unauthorized changes or disruptions.

Because it requires user interaction, attackers often use mass campaigns to target many websites, increasing the risk of exploitation.

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Mitigation Strategies

The immediate step to mitigate this vulnerability is to update the WordPress Child Theme Wizard plugin to version 1.5 or later.

Enabling auto-updates for vulnerable plugins can also help ensure that the plugin remains up to date and protected against this CSRF vulnerability.

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