CVE-2017-6534

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-03-08 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

Webpagetest Project Webpagetest: 3.0

References

http://www.securityfocus.com/bid/96935
https://github.com/WPO-Foundation/webpagetest/issues/835
http://www.securityfocus.com/bid/96935
https://github.com/WPO-Foundation/webpagetest/issues/835

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