### [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.