CVE-2020-6126: OS4ED Opensis

High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days.

SQL injection vulnerability exists in the CoursePeriodModal.php page of OS4Ed openSIS 7.3. The course_period_id parameter in the page CoursePeriodModal.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.

Affected products

• OS4ED Opensis: version 7.3 only

Published 2020-09-01. Last modified 2026-06-17.