Contributor Broken Access Control in Style Kits

Executive Summary

This is a Broken Access Control vulnerability in the WordPress Style Kits Plugin versions up to 2.6.5. It allows unprivileged users to perform actions that require higher privileges due to missing authorization, authentication, or nonce token checks.

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Detection Guidance

Check if the Style Kits plugin version is 2.6.5 or lower using WordPress admin panel or via command line with: wp plugin list | grep style_kits. Look for unauthorized actions or unusual user privileges in logs.

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Impact Analysis

Attackers could exploit this to perform unauthorized actions on your WordPress site. While the risk is low, mass campaigns targeting thousands of sites could occur. Immediate action like updating the plugin or seeking developer assistance is recommended.

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Compliance Impact

The vulnerability allows unprivileged users to perform higher-privileged actions due to missing authorization checks. This could potentially lead to unauthorized access to sensitive data, which may impact compliance with standards like GDPR or HIPAA if such data is exposed. However, the vulnerability is classified as low severity and there is no evidence of active exploitation affecting compliance.

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Mitigation Strategies

Disable the Style Kits plugin immediately if unused. If critical, contact your hosting provider or developer for a patch. Monitor for suspicious activity and consider alternative security solutions like Patchstack for protection.

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