CVE-2017-16906 Cross-site scripting in n/a

Medium 5.4 Published 20 Nov 2017 Updated 5 Aug 2024

Attackers can inject malicious scripts via the URL field in new calendar events, potentially leading to session hijacking or code execution.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2017-16906?

CVE-2017-16906 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Nov 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

In Horde Groupware 5.2.19-5.2.22, there is XSS via the URL field in a "Calendar -> New Event" action.

Weakness: CWE-79

Which versions are affected by CVE-2017-16906?

It affects 1 product.

Products include Horde Groupware.

How do I fix CVE-2017-16906?

Apply the vendor's patch.

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-2017-16906 being exploited?

There is no known exploitation of CVE-2017-16906 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-16906, DLA-1537-1, DLA-2351-1, GHSA-8xmf-3fcj-f6cr, UBUNTU-CVE-2017-16906.