### [CVE-2021-20814](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20814) ![](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%20Advanced%207%20r.4903%20and%20earlier%20(Movable%20Type%20Advanced%207%20Series)%2C%20and%20Movable%20Type%20Premium%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 Setting screen of ContentType Information Widget Plugin of Movable Type (Movable Type 7 r.4903 and earlier (Movable Type 7 Series), Movable Type Advanced 7 r.4903 and earlier (Movable Type Advanced 7 Series), and Movable Type Premium 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