Jenkins vulnerable to stored cross site scripting in the I:helpIcon componentGHSA-xpvp-h73c-m9rq
HIGHFix: jenkinsci/jenkins@84f41d2GHSA-xpvp-h73c-m9rq is a high-severity (CVSS 8) Cross-site Scripting (XSS) vulnerability in org.jenkins-ci.main:jenkins-core. A fix is available for org.jenkins-ci.main:jenkins-core — see the affected versions and patch details below.
Exploitation Status
No confirmed exploitation observed yet
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for GHSA-xpvp-h73c-m9rq.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
org.jenkins-ci.main:jenkins-coreReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
Jenkins 2.367 through 2.369 (both inclusive) does not escape tooltips of the l:helpIcon UI component used for some help icons on the Jenkins web UI, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control tooltips for this component.
As of publication, the Jenkins security team is unaware of any exploitable help icon/tooltip in Jenkins core or plugins published by the Jenkins project. The vast majority of help icons use the l:help component instead of l:helpIcon. The few known instances of l:helpIcon do not have user-controllable tooltip contents.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.jenkins-ci.main:jenkins-core | ≥ 2.367&&< 2.370 | 2.370org.jenkins-ci.main:jenkins-core:2.370 |
Affected Products
jenkinsjenkinsDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.main:jenkins-core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.jenkins-ci.main:jenkins-core to 2.370 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-xpvp-h73c-m9rq is resolved across your whole dependency graph.
Workarounds
Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.
Frequently Asked Questions
Is GHSA-xpvp-h73c-m9rq in your dependencies?
Find it across Maven, including transitive dependencies.