What is CVE-2019-10402?

CVE-2019-10402 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-09-25.

How severe is CVE-2019-10402?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Jenkins

CVE-2019-10402

In Jenkins 2.196 and earlier, LTS 2.176.3 and earlier, the f:combobox form control interpreted its item labels as HTML, resulting in a stored XSS vulnerability exploitable by users with permission to define its contents.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-09-25 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.010 (62.5th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Jenkins
Jenkins Project — versions 2.196 and earlier, LTS 2.176.3 and earlier

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

jenkins.io/security/advisory/2019-09-25/ (Vendor Advisory)
www.openwall.com/lists/oss-security/2019/09/25/3 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-10402?: CVE-2019-10402 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-09-25.
How severe is CVE-2019-10402?: Medium severity. CVSS v3 base score is 5.4 out of 10.