CVE-2020-2227 Stored XSS vulnerability in Jenkins Deployer Framework Plugin

What is CVE-2020-2227?

CVE-2020-2227 is a medium-severity cross-site scripting vulnerability in Jenkins Deployer Framework Plugin, published on 15 Jul 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 Deployer Framework Plugin 1.2 and earlier does not escape the URL displayed in the build home page, resulting in a stored cross-site scripting vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2020-2227?

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

Products include Jenkins Deployer Framework.

How do I fix CVE-2020-2227?

Upgrade org.jenkins-ci.plugins:deployer-framework to 1.3 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-2020-2227 being exploited?

There is no known exploitation of CVE-2020-2227 in the wild and no public exploit code.

Other vulnerabilities in Jenkins Deployer Framework Plugin

• CVE-2022-36889 Jenkins Deployer Framework Plugin does not restrict application path of applications when configuring a deployment High 8.8
• CVE-2022-36890 Jenkins Deployer Framework Plugin vulnerable to Path Traversal Medium 4.3
• CVE-2022-36891 Jenkins Deployer Framework Plugin allows attackers with Item/Read permission to read deployment logs Medium 4.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cfvw-84vq-43mx.