CVE-2020-2170 Stored XSS vulnerability in Jenkins RapidDeploy Plugin

Medium 5.4 Published Updated

Stored XSS in Jenkins RapidDeploy Plugin allows attackers to execute arbitrary scripts via unescaped package names from a remote server.

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-2020-2170?

CVE-2020-2170 is a medium-severity cross-site scripting vulnerability in Jenkins RapidDeploy Plugin, published on 25 Mar 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 RapidDeploy Plugin 4.2 and earlier does not escape package names in the table of packages obtained from a remote server, resulting in a stored XSS vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2020-2170?

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

PackageAffectedFixed in
org.jenkins-ci.plugins:rapiddeploy-jenkins MavenAll versions4.2.1
org.jenkins-ci.plugins:rapiddeploy-jenkins MavenAll versions4.2.1

Products include Jenkins Rapiddeploy.

How do I fix CVE-2020-2170?

Upgrade org.jenkins-ci.plugins:rapiddeploy-jenkins to 4.2.1 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-2020-2170 being exploited?

There is no known exploitation of CVE-2020-2170 in the wild and no public exploit code.

Sources

Also known as GHSA-f4gq-7hvf-fjm3.

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