index.php in Ryan Haudenschilt Family Connections (FCMS) before 0.9 allows remote attackers to access an arbitrary account by placing the account's name in the value of an fcms_login_id cookie. NOTE: this can be leveraged for code execution via a POST with PHP code in the content parameter.
Category : Permissions, Privileges, and Access Controls Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.