Authenticated User Notification Deletion in ProfileGrid WordPress Plugin

Executive Summary

The ProfileGrid WordPress plugin before version 5.9.9.8 has a vulnerability where it does not check if a notification belongs to the user making the request before deleting it. This allows any authenticated user, including low-privilege users like Subscribers, to delete notifications of other users by guessing or enumerating notification IDs.

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Detection Guidance

Check for unauthorized deletion of notifications in WordPress logs or database. Look for suspicious activity from Subscriber-level accounts. No specific commands are provided in the context.

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Impact Analysis

This vulnerability can lead to unauthorized deletion of other users' notifications, potentially causing loss of important information, disrupting workflows, or enabling social engineering attacks by removing critical alerts meant for other users.

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Compliance Impact

This vulnerability does not directly affect compliance with GDPR or HIPAA as it involves unauthorized deletion of notifications rather than data exposure or privacy breaches. However, if notifications contained sensitive user data, improper access could indirectly impact compliance.

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Mitigation Strategies

Update the ProfileGrid plugin to version 5.9.9.8 or later. Restrict Subscriber-level access to sensitive functions. Monitor notification deletion logs for anomalies.

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