### [CVE-2015-7816](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7816) ![](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 The DisplayTopKeywords function in plugins/Referrers/Controller.php in Piwik before 2.15.0 allows remote attackers to conduct PHP object injection attacks, conduct Server-Side Request Forgery (SSRF) attacks, and execute arbitrary PHP code via a crafted HTTP header. ### POC #### Reference - http://packetstormsecurity.com/files/134220/Piwik-2.14.3-PHP-Object-Injection.html #### Github No PoCs found on GitHub currently.