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6.1

WebPageTest 3.0 lets attackers inject scripts via URL

CVE-2017-6536 · published 9 years ago
Summary

The WebPageTest 3.0 tool does not properly clean certain input fields, so a malicious user could place harmful HTML or JavaScript into the page. This could cause a visitor’s browser to run unwanted code when they view the affected page. Update to a patched version or apply the vendor’s recommended filtering fix as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
webpagetest_project webpagetest 3.0
cpe:2.3:a:webpagetest_project:webpagetest:3.0:*:*:*:*:*:*:*
Original advisory text
Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. The vulnerabilities exist due to insufficient filtration of user-supplied data (url, pssid) passed to the webpagetest-...
Multiple Cross-Site Scripting (XSS) issues were discovered in webpagetest 3.0. The vulnerabilities exist due to insufficient filtration of user-supplied data (url, pssid) passed to the webpagetest-master/www/weblite.php URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.1 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published8 Mar 2017
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2017-6536 · NVD
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