Executive Summary

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress has an authorization bypass vulnerability in all versions up to and including 8.8.3. This occurs because the plugin's AJAX handlers do not verify that the user-supplied 'b2s_id' parameter belongs to the current user before performing update and delete operations.

As a result, authenticated users with Subscriber-level access or higher can modify, reschedule, or delete scheduled social media posts that belong to other users.

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Impact Analysis

This vulnerability allows attackers with low-level authenticated access to interfere with other users' scheduled social media posts by modifying, rescheduling, or deleting them without proper authorization.

Such unauthorized actions could disrupt social media campaigns, cause loss of important scheduled content, and potentially damage the reputation or operations of the affected organization.

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