CVEs-PoC/2021/CVE-2021-21660.md

### [CVE-2021-21660](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21660)
![](https://img.shields.io/static/v1?label=Product&message=Jenkins%20Markdown%20Formatter%20Plugin&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### Description

Jenkins Markdown Formatter Plugin 0.1.0 and earlier does not sanitize crafted link target URLs, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to edit any description rendered using the configured markup formatter.

### POC

#### Reference
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-21660

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