CVE-2023-32977 Jenkins Pipeline: Job Plugin vulnerable to stored Cross-site Scripting

Medium 5.4 Published Updated

Attackers can inject malicious scripts via build display names, leading to stored XSS in Jenkins Pipeline: Job 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-2023-32977?

CVE-2023-32977 is a medium-severity cross-site scripting vulnerability in Jenkins Pipeline: Job Plugin, published on 16 May 2023. 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 Pipeline: Job Plugin does not escape the display name of the build that caused an earlier build to be aborted, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to set build display names immediately.

Weakness: CWE-79

Which versions are affected by CVE-2023-32977?

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

PackageAffectedFixed in
org.jenkins-ci.plugins.workflow:workflow-job MavenAll versions1295.v395eb
org.jenkins-ci.plugins.workflow:workflow-job MavenAll versions1295.v395eb

Products include Jenkins Pipeline\.

How do I fix CVE-2023-32977?

Upgrade org.jenkins-ci.plugins.workflow:workflow-job to 1295.v395eb 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-2023-32977 being exploited?

There is no known exploitation of CVE-2023-32977 in the wild and no public exploit code.

Sources

Also known as GHSA-2wvv-phhw-qvmc.

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