CVE-2020-2238 Stored XSS vulnerability in Jenkins Git Parameter Plugin
Stored XSS in Jenkins Git Parameter Plugin allows attackers with Job/Configure permission to execute scripts in other users' browsers.
- 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-2020-2238?
CVE-2020-2238 is a medium-severity cross-site scripting vulnerability in Jenkins Git Parameter Plugin, published on 1 Sep 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 Git Parameter Plugin 0.9.12 and earlier does not escape the repository field on the 'Build with Parameters' page, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Weakness: CWE-79
Which versions are affected by CVE-2020-2238?
2 open source packages ship an affected version, including org.jenkins-ci.tools:git-parameter. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.tools:git-parameter Maven | All versions | 0.9.13 |
org.jenkins-ci.tools:git-parameter Maven | All versions | 0.9.13 |
Products include Jenkins Git Parameter.
How do I fix CVE-2020-2238?
Upgrade org.jenkins-ci.tools:git-parameter to 0.9.13 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-2020-2238 being exploited?
There is no known exploitation of CVE-2020-2238 in the wild and no public exploit code.
Other vulnerabilities in Jenkins Git Parameter Plugin
- CVE-2025-53652 Jenkins Git Parameter Plugin vulnerable to code injection due to inexhaustive parameter check
- CVE-2022-29040 Stored XSS vulnerability in Jenkins Git Parameter Plugin
- CVE-2020-2112 Jenkins Git Parameter Plugin vulnerable to Stored cross-site scripting (XSS)
- CVE-2020-2113 Jenkins Git Parameter Plugin vulnerable to stored cross-site scripting (XSS)
- CVE-2026-57286 Jenkins Git Parameter Plugin has a missing permission check that allows listing SCM branch and tag names
Sources
Also known as GHSA-j7q2-c6r4-x2jw.