SQL injection vulnerabilities exist in the course_period_id parameters used in OS4Ed openSIS 7.3 pages. The course_period_id parameter in the page MassDropSessionSet.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The byear parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

SQL injection vulnerabilities exist in the course_period_id parameters used in OS4Ed openSIS 7.3 pages. The course_period_id parameter in the page CpSessionSet.php is vulnerable to SQL injection.An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

SQL injection vulnerabilities exist in the course_period_id parameters used in OS4Ed openSIS 7.3 pages. The course_period_id parameter in the page MassScheduleSessionSet.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

SQL injection vulnerabilities exist in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The ln parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

SQL injection vulnerability exists in the CheckDuplicateStudent.php page of OS4Ed openSIS 7.3. The mn parameter in the page CheckDuplicateStudent.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

openSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.