Exposure of Sensitive Information to an Unauthorized Actor
wp-admin/async-upload.php in the media uploader in WordPress before 3.0.5 allows remote authenticated users to read (1) draft posts or (2) private posts via a modified attachment_id parameter.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.