What is CVE-2018-1999007?

CVE-2018-1999007 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-07-23.

How severe is CVE-2018-1999007?

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

Is CVE-2018-1999007 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Jenkins

CVE-2018-1999007

A cross-site scripting vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in the Stapler web framework's org/kohsuke/stapler/Stapler.java that allows attackers with the ability to control the existence of some URLs in Jenkins to define JavaScript that would be executed in another user's browser when that other user views HTTP 404 error pages while Stapler debug mode is enabled.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.8th 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
Oracle Communications_cloud_native_core_automated_test_suite — versions 1.9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

Uelsky/HW_

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1999007?: CVE-2018-1999007 is a medium-severity vulnerability in Jenkins, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-07-23.
How severe is CVE-2018-1999007?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2018-1999007 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.