CVE-2018-1999007

Name: CVE-2018-1999007
Creator: NVD / NIST
Published: 2018-07-23T19:29:00.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2018-1999007 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.89%

54.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Jenkins	Jenkins	<= 2.121.1
Jenkins	Jenkins	>= 2.122, <= 2.132
Oracle	Communications Cloud Native Core Automated Test Suite	1.9.0

References

https://jenkins.io/security/advisory/2018-07-18/#SECURITY-390Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://jenkins.io/security/advisory/2018-07-18/#SECURITY-390Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory

Timeline

Published: Jul 23, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1999007?

How severe is CVE-2018-1999007?

CVE-2018-1999007 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1999007?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1999007?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST