### [CVE-2019-11701](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11701)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2067%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=webcal%3A%20protocol%20default%20handler%20loads%20vulnerable%20web%20page&color=brighgreen)

### Description

The default webcal: protocol handler will load a web site vulnerable to cross-site scripting (XSS) attacks. This default was left in place as a legacy feature and has now been removed. *Note: this issue only affects users with an account on the vulnerable service. Other users are unaffected.*. This vulnerability affects Firefox < 67.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1518627
- https://bugzilla.mozilla.org/show_bug.cgi?id=1518627

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