Subscriber Privilege Escalation in The Grid

Executive Summary

This is a Subscriber Privilege Escalation vulnerability in The Grid WordPress plugin versions 2.7.9.1 and earlier. It allows low-privileged users like Subscribers to escalate their permissions and gain full control of the website.

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Detection Guidance

Check if the WordPress plugin 'The Grid' version 2.7.9.1 or earlier is installed. Look for unauthorized privilege escalation attempts by monitoring user role changes or suspicious activity from low-privileged accounts like Subscribers.

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Impact Analysis

Attackers could exploit this to take over your website, steal data, or perform unauthorized actions. The high CVSS score of 8.8 indicates a significant risk, and mass-exploit campaigns are expected. No official patch exists yet, so immediate action is required.

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Compliance Impact

This vulnerability allows low-privileged users to escalate privileges to full control of a WordPress site. Such unauthorized access could lead to unauthorized data access, modification, or deletion, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information.

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Mitigation Strategies

Apply Patchstack's temporary mitigation rule if available. Consider disabling the plugin until an official patch is released. Monitor for unusual activity and restrict Subscriber role permissions as a precaution.

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