CVE-2017-16860 Cross-site scripting in Application Links

Medium 6.1 Published 14 May 2018 Updated 17 Sep 2024

Remote attackers can inject arbitrary HTML or JavaScript via the redirectUrl parameter in Atlassian Application Links.

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-2017-16860?

CVE-2017-16860 is a medium-severity cross-site scripting vulnerability in Atlassian Application Links, published on 14 May 2018. 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

The invalidRedirectUrl template in Atlassian Application Links before version 5.2.7, from version 5.3.0 before version 5.3.4 and from version 5.4.0 before version 5.4.3 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the redirectUrl parameter link in the redirect warning message.

Weakness: CWE-79

Which versions are affected by CVE-2017-16860?

It affects 1 product.

Products include Atlassian Application Links.

How do I fix CVE-2017-16860?

No fix has been published for CVE-2017-16860 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-2017-16860 being exploited?

There is no known exploitation of CVE-2017-16860 in the wild and no public exploit code.

Sources

Also known as GHSA-hggx-3mcq-v36x.