### [CVE-2021-20281](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20281)
![](https://img.shields.io/static/v1?label=Product&message=moodle&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Fixed%20in%203.10.2%2C%203.9.5%2C%203.8.8%2C%203.5.17%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-200&color=brightgreen)

### Description

It was possible for some users without permission to view other users' full names to do so via the online users block in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/jev770/badmoodle-scan