Multiple SQL injection vulnerabilities in MySQL Eventum 1.5.5 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) isCorrectPassword or (2) userExist function in class.auth.php, getCustomFieldReport function in (4) custom_fields.php, (5) custom_fields_graph.php, or (6) class.report.php, or the insert function in (7) releases.php or (8) class.release.php.