What is CVE-2018-1000407?

CVE-2018-1000407 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-09.

How severe is CVE-2018-1000407?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Jenkins

CVE-2018-1000407

A cross-site scripting vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/model/Api.java that allows attackers to specify URLs to Jenkins that result in rendering arbitrary attacker-controlled HTML by Jenkins.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-01-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.9th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Jenkins

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/106532 (VDB Entry, Third Party Advisory, vdb-entry)
jenkins.io/security/advisory/2018-10-10/ (Vendor Advisory)

Frequently asked questions

What is CVE-2018-1000407?: CVE-2018-1000407 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-09.
How severe is CVE-2018-1000407?: Medium severity. CVSS v3 base score is 6.1 out of 10.