### [CVE-2021-40310](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40310)
![](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

OpenSIS Community Edition version 8.0 is affected by a cross-site scripting (XSS) vulnerability in the TakeAttendance.php via the cp_id_miss_attn parameter.

### POC

#### Reference
- https://github.com/MiSERYYYYY/Vulnerability-Reports-and-Disclosures/blob/main/OpenSIS-Community-8.0.md
- https://github.com/OS4ED/openSIS-Classic
- https://www.youtube.com/watch?v=aPKPUDmmYpc

#### Github
No PoCs found on GitHub currently.