### [CVE-2017-6534](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6534) ![](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 A Cross-Site Scripting (XSS) issue was discovered in webpagetest 3.0. The vulnerability exists due to insufficient filtration of user-supplied data (pssid) passed to the webpagetest-master/www/pss.php URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website. ### POC #### Reference - https://github.com/WPO-Foundation/webpagetest/issues/835 #### Github No PoCs found on GitHub currently.