cve/2020/CVE-2020-27224.md

### [CVE-2020-27224](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27224)
![](https://img.shields.io/static/v1?label=Product&message=Eclipse%20Theia&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%3D%201.2.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%3A%20Improper%20Neutralization%20of%20Input%20During%20Web%20Page%20Generation%20('Cross-site%20Scripting')&color=brighgreen)

### Description

In Eclipse Theia versions up to and including 1.2.0, the Markdown Preview (@theia/preview), can be exploited to execute arbitrary code.

### POC

#### Reference
- https://omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd/
- https://omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd/

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