A SQL injection vulnerability was found in the scheduleSubList.php file of itsourcecode Online Student Enrollment System v1.0. The reason for this issue is that the 'subjcode' parameter is directly embedded into the SQL query via string interpolation without any sanitization or validation.

itsourcecode Online Student Enrollment System v1.0 is vulnerable to SQL Injection in newCourse.php via the 'coursename' parameter.

A SQL injection vulnerability was found in the assignInstructorSubjects.php file of itsourcecode Online Student Enrollment System v1.0. The reason for this issue is that attackers can inject malicious code via the parameter "subjcode" and use it directly in SQL queries without the need for appropriate cleaning or validation.

A SQL injection vulnerability was found in the instructorClasses.php file of itsourcecode Online Student Enrollment System v1.0. The reason for this issue is that the 'classId' parameter from $GET['classId'] is directly concatenated into the SQL query without any sanitization or validation.

Online Student Enrollment System v1.0 was discovered to contain a SQL injection vulnerability via the username parameter at /studentenrollment/admin/login.php.