Unauthorized Privilege Escalation in Crowdfundly WordPress Plugin

Executive Summary

The Crowdfundly WordPress plugin through version 2.2.2 has missing capability checks on some AJAX actions. This allows users with low-privileged roles to grant themselves administrator privileges or other capabilities, leading to a full site takeover.

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Detection Guidance

Check if the Crowdfundly WordPress plugin version is 2.2.2 or below. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files for version details. Look for unauthorized administrator role assignments in user logs.

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Impact Analysis

An attacker with a low-privileged role could exploit this to gain full control of your WordPress site, including access to sensitive data, ability to modify content, and control over other users.

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Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, violating GDPR and HIPAA requirements for data protection and access control. Non-compliance may result in legal penalties and reputational damage.

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Mitigation Strategies

Update the Crowdfundly plugin to the latest version if available. If no update exists, consider disabling the plugin temporarily. Review user roles for unauthorized administrator assignments and remove suspicious accounts.

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