Online Diagnostic Lab Management System is an online diagnostic lab management system that provides a variety of diagnostic tasks online. online Diagnostic Lab Management System is vulnerable to SQL injection in version v1.0. The vulnerability stems from the affected version not properly filtering user parameters. A SQL injection vulnerability was discovered in Online Diagnostic Lab Management System containing a SQL injection vulnerability via the id parameter /odlms/classes/Master.php?f=delete_message. An attacker could use this vulnerability to launch a targeted attack against a target and compromise the site system security.