### [CVE-2013-6853](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6853) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description Cross-site scripting (XSS) vulnerability in clickstream.js in Y! Toolbar plugin for FireFox 3.1.0.20130813024103 for Mac, and 2.5.9.2013418100420 for Windows, allows remote attackers to inject arbitrary web script or HTML via a crafted URL that is stored by the victim. ### POC #### Reference - http://packetstormsecurity.com/files/124800/Y-Toolbar-Cross-Site-Scripting.html - http://www.cloudscan.me/2014/01/cve-2013-6853-stored-xss-in-y-toolbar.html #### Github No PoCs found on GitHub currently.