CVE-2020-2225 Stored XSS vulnerability in multiple axis builds tooltips in Jenkins Matrix Project Plugin

Medium 5.4 Published 15 Jul 2020 Updated 4 Aug 2024

Stored XSS in Jenkins Matrix Project Plugin allows attackers to execute scripts via unescaped axis names in build tooltips.

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-2020-2225?

CVE-2020-2225 is a medium-severity cross-site scripting vulnerability in Jenkins Matrix Project Plugin, published on 15 Jul 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Jenkins Matrix Project Plugin 1.16 and earlier does not escape the axis names shown in tooltips on the overview page of builds with multiple axes, resulting in a stored cross-site scripting vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2020-2225?

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

Package	Affected	Fixed in
`org.jenkins-ci.plugins:matrix-project` Maven	All versions	`1.17`
`org.jenkins-ci.plugins:matrix-project` Maven	All versions	`1.17`

Products include Jenkins Matrix Project.

How do I fix CVE-2020-2225?

Upgrade org.jenkins-ci.plugins:matrix-project 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-2020-2225 being exploited?

There is no known exploitation of CVE-2020-2225 in the wild and no public exploit code.

Sources

Also known as GHSA-w43x-5f8f-686p.