CVE-2020-2292 Stored XSS vulnerability in Jenkins Release Plugin

Medium 5.4 Published Updated

Attackers with release permissions can inject malicious scripts via version strings, leading to stored XSS and potential session hijacking.

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-2020-2292?

CVE-2020-2292 is a medium-severity cross-site scripting vulnerability in Jenkins Release Plugin, published on 8 Oct 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 Release Plugin 2.10.2 and earlier does not escape the release version in badge tooltip, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Release/Release permission.

Weakness: CWE-79

Which versions are affected by CVE-2020-2292?

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

PackageAffectedFixed in
org.jenkins-ci.plugins:release MavenAll versions2.11
org.jenkins-ci.plugins:release MavenAll versions2.11

Products include Jenkins Release.

How do I fix CVE-2020-2292?

Upgrade org.jenkins-ci.plugins:release to 2.11 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-2020-2292 being exploited?

There is no known exploitation of CVE-2020-2292 in the wild and no public exploit code.

Sources

Also known as GHSA-vmg8-g8j3-m355.

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