CVEs-PoC/2021/CVE-2021-20809.md

### [CVE-2021-20809](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20809)
![](https://img.shields.io/static/v1?label=Product&message=Movable%20Type&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Movable%20Type%207%20r.4903%20and%20earlier%20(Movable%20Type%207%20Series)%2C%20Movable%20Type%206.8.0%20and%20earlier%20(Movable%20Type%206%20Series)%2C%20Movable%20Type%20Advanced%207%20r.4903%20and%20earlier%20(Movable%20Type%20Advanced%207%20Series)%2C%20Movable%20Type%20Premium%201.44%20and%20earlier%2C%20and%20Movable%20Type%20Premium%20Advanced%201.44%20and%20earlier%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Cross-site%20scripting&color=brightgreen)

### Description

Cross-site scripting vulnerability in Create screens of Entry, Page, and Content Type of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type 6.8.0 and earlier (Movable Type 6 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), Movable Type Premium 1.44 and earlier, and Movable Type Premium Advanced 1.44 and earlier) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/n0-traces/cve_monitor