CVEs-PoC/2021/CVE-2021-39307.md

### [CVE-2021-39307](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39307)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

PDFTron's WebViewer UI 8.0 or below renders dangerous URLs as hyperlinks in supported documents, including JavaScript URLs, allowing the execution of arbitrary JavaScript code.

### POC

#### Reference
- https://research.nccgroup.com/2021/09/14/technical-advisory-pdftron-javascript-urls-allowed-in-webviewer-ui-cve-2021-39307/
- https://www.pdftron.com/webviewer/

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