CVE-2022-43420 Stored XSS vulnerability in Jenkins Contrast Continuous Application Security Plugin

Medium 5.4 Published 19 Oct 2022 Updated 8 May 2025

Stored XSS in Jenkins Contrast plugin allows attackers controlling API responses to execute scripts in 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-2022-43420?

CVE-2022-43420 is a medium-severity cross-site scripting vulnerability in Jenkins Contrast Continuous Application Security Plugin, published on 19 Oct 2022. 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 Contrast Continuous Application Security Plugin 3.9 and earlier does not escape data returned from the Contrast service when generating a report, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control or modify Contrast service API responses.

Weakness: CWE-79

Which versions are affected by CVE-2022-43420?

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

Package	Affected	Fixed in
`org.jenkins-ci.plugins:contrast-continuous-application-security` Maven	All versions	`3.10`
`org.jenkins-ci.plugins:contrast-continuous-application-security` Maven	All versions	`3.10`

Products include Jenkins Contrast Continuous Application Security.

How do I fix CVE-2022-43420?

Upgrade org.jenkins-ci.plugins:contrast-continuous-application-security to 3.10 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-2022-43420 being exploited?

There is no known exploitation of CVE-2022-43420 in the wild and no public exploit code.

Sources

Also known as GHSA-hvcr-927w-qcvq.