CVE-2017-6533 (webpagetest)

A Cross-Site Scripting (XSS) issue was discovered in webpagetest 3.0. The vulnerability exists due to insufficient filtration of user-supplied data (benchmark) passed to the webpagetest-master/www/benchmarks/view.php URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

Source: CVE-2017-6533 (webpagetest)