Gibbon versions before v30.0.01 are affected by an authenticated SQL Injection vulnerability by abusing the Tracking/graphing https://github.com/GibbonEdu/core/blob/c431e25fdc874adece5d2dc7e408e9aa2d1abadb/modules/Tracking/graphing.php#L145 feature. Successful exploitation requires Teacher or higher privileges. Exploitation could result in unintended read/write activities to the underlying database.
CWE-89