### [CVE-2015-4516](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4516) ![](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 Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API protection mechanisms and modify immutable properties, and consequently execute arbitrary JavaScript code with chrome privileges, via a crafted web page that does not use ES5 APIs. ### POC #### Reference - http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html - http://www.ubuntu.com/usn/USN-2743-3 #### Github No PoCs found on GitHub currently.