XSS in Jenkins
CVE-2019-1003050
The f:validateButton form control for the Jenkins UI did not properly escape job URLs in Jenkins 2.171 and earlier and Jenkins LTS 2.164.1 and earlier, resulting in a cross-site scripting (XSS) vulnerability exploitable by users with the ability to control job names.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.013 (68.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Jenkins
- Jenkins Project — versions 2.171 and earlier, LTS 2.164.1 and earlier
- Oracle Communications_cloud_native_core_automated_test_suite — versions 1.9.0
- Redhat Openshift_container_platform — versions 3.11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jenkinsci-cert@googlegroups.com (vdb-entry, Broken Link, x_refsource_BID)
- jenkinsci-cert@googlegroups.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- jenkinsci-cert@googlegroups.com (Patch, Third Party Advisory, x_refsource_MISC)
- jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1003050?
- CVE-2019-1003050 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-04-10.
- How severe is CVE-2019-1003050?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2019-1003050 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.