CVE-2018-1000426

Name: CVE-2018-1000426
Creator: NVD / NIST
Published: 2019-01-09T23:29:02.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2018-1000426 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A cross-site scripting vulnerability exists in Jenkins Git Changelog Plugin 2.6 and earlier in GitChangelogSummaryDecorator/summary.jelly, GitChangelogLeftsideBuildDecorator/badge.jelly, GitLogJiraFilterPostPublisher/config.jelly, GitLogBasicChangelogPostPublisher/config.jelly that allows attackers able to control the Git history parsed by the plugin to have Jenkins render arbitrary HTML on some pages.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

A cross-site scripting vulnerability exists in Jenkins Git Changelog Plugin 2.6 and earlier in GitChangelogSummaryDecorator/summary.jelly, GitChangelogLeftsideBuildDecorator/badge.jelly, GitLogJiraFilterPostPublisher/config.jelly, GitLogBasicChangelogPostPublisher/config.jelly that allows attackers able to control the Git history parsed by the plugin to have Jenkins render arbitrary HTML on some pages.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.99%

58.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Jenkins	Git Changelog	<= 2.6

References

http://www.securityfocus.com/bid/106532Third Party Advisory, VDB Entry
https://jenkins.io/security/advisory/2018-09-25/#SECURITY-1122Vendor Advisory
http://www.securityfocus.com/bid/106532Third Party Advisory, VDB Entry
https://jenkins.io/security/advisory/2018-09-25/#SECURITY-1122Vendor Advisory

Timeline

Published: Jan 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000426?

How severe is CVE-2018-1000426?

CVE-2018-1000426 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000426?

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-2018-1000426?

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

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Source: NVD / NIST