CVE-2017-6536 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can execute arbitrary scripts in users' browsers via insufficient input filtering in WebPageTest.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2017-6536?

CVE-2017-6536 is a medium-severity cross-site scripting vulnerability in n/a, published on 8 Mar 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2017-6536?

It affects 1 product.

Products include Webpagetest Project Webpagetest.

How do I fix CVE-2017-6536?

No fix has been published for CVE-2017-6536 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2017-6536 being exploited?

There is no known exploitation of CVE-2017-6536 in the wild and no public exploit code.

Sources

Also known as GHSA-q9v5-mr2v-cf4x.

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