CVE-2017-6533: Webpagetest Project Webpagetest

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

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.

Affected products

• Webpagetest Project Webpagetest: version 3.0 only

Published 2017-03-08. Last modified 2026-06-17.