cve/2021/CVE-2021-41038.md

### [CVE-2021-41038](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41038)
![](https://img.shields.io/static/v1?label=Product&message=%40theia%2Fplugin-ext&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%201.18.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-940%3A%20Improper%20Verification%20of%20Source%20of%20a%20Communication%20Channel&color=brighgreen)

### Description

In versions of the @theia/plugin-ext component of Eclipse Theia prior to 1.18.0, Webview contents can be hijacked via postMessage().

### POC

#### Reference
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=575924

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