CVE-2016-3101 Jenkins Extra Columns Plugin allows Cross-Site Scripting (XSS)

Medium 5.4 Published Updated

Remote attackers can inject arbitrary web script or HTML via unfiltered tool tips in the Jenkins Extra Columns plugin.

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-2016-3101?

CVE-2016-3101 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Feb 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

Cross-site scripting (XSS) vulnerability in the Extra Columns plugin before 1.17 in Jenkins allows remote attackers to inject arbitrary web script or HTML by leveraging failure to filter tool tips through the configured markup formatter.

Weakness: CWE-79

Which versions are affected by CVE-2016-3101?

2 open source packages ship an affected version, including org.jenkins-ci.plugins:extra-columns. It affects 1 product.

PackageAffectedFixed in
org.jenkins-ci.plugins:extra-columns MavenAll versions1.17
org.jenkins-ci.plugins:extra-columns MavenAll versions1.17

Products include Jenkins Extra Columns.

How do I fix CVE-2016-3101?

Upgrade org.jenkins-ci.plugins:extra-columns to 1.17 or later.

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-2016-3101 being exploited?

There is no known exploitation of CVE-2016-3101 in the wild and no public exploit code.

Sources

Also known as GHSA-mr4j-7jjv-24m7.

Is CVE-2016-3101 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free