Open Solutions for Education, Inc openSIS Community Edition v8.0 and earlier is vulnerable to SQL Injection via CalendarModal.php.
ccat.gitbook.io/cyber-sec/cve/cve-2022-45962-postauth-sqli
github.com/OS4ED/openSIS-Classic
github.com/OS4ED/openSIS-Classic/blob/381a1ad907285182c88e30b8bb6ce91123d9275d/CalendarModal.php#L30
github.com/OS4ED/openSIS-Classic/commit/81799fd1de74d7b4bf3c4c37ad6042214e48a469
github.com/OS4ED/openSIS-Classic/commit/81799fd1de74d7b4bf3c4c37ad6042214e48a469#diff-06a8cd9b045bb97531de5ba5122272ffdd519a78b1daa12060e12e337c8d2016