CVE-2019-10396 Jenkins Dashboard View Plugin vulnerable to Cross-site Scripting

Medium 5.4 Published Updated

Attackers can inject malicious scripts via build descriptions in the Jenkins Dashboard View Plugin, potentially compromising user sessions.

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-2019-10396?

CVE-2019-10396 is a medium-severity cross-site scripting vulnerability in Jenkins Dashboard View Plugin, published on 12 Sep 2019. 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 Dashboard View Plugin 2.11 and earlier did not escape build descriptions, resulting in a cross-site scripting vulnerability exploitable by users able to change build descriptions.

Weakness: CWE-79

Which versions are affected by CVE-2019-10396?

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

PackageAffectedFixed in
org.jenkins-ci.plugins:dashboard-view MavenAll versions2.12
org.jenkins-ci.plugins:dashboard-view MavenAll versions2.12

Products include Jenkins Dashboard View.

How do I fix CVE-2019-10396?

Upgrade org.jenkins-ci.plugins:dashboard-view to 2.12 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-2019-10396 being exploited?

There is no known exploitation of CVE-2019-10396 in the wild and no public exploit code.

Sources

Also known as GHSA-fv4q-4h24-23qr.

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