### [CVE-2021-41679](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41679)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/modules/grades/InputFinalGrades.php, period parameter.

### POC

#### Reference
- https://github.com/OS4ED/openSIS-Classic/issues/204

#### Github
- https://github.com/20142995/nuclei-templates
- https://github.com/cyb3r-w0lf/nuclei-template-collection