Exposure of Sensitive Information to an Unauthorized Actor
PHP Jabbers Post Comment 3.0 allows remote attackers to bypass authentication and gain administrative access by setting the PostCommentsAdmin cookie to "logged."
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.