CVE-2018-1000426 json
Stored XSS vulnerability in Jenkins Git Changelog Plugin
published 2019-01-09 7 y ago modified 2026-06-17 4 mo ago also GHSA-jcmg-9rw5-9rm2 , EUVD-2022-4330
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven de.wellnerbou.jenkins:git-changelog 2.7
Exploit prediction
0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | de.wellnerbou.jenkins:git-changelog | <2.7 |
2.7 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
jenkins.io
/security/advisory/2018-09-25/#SECURITY-1122
web, vendor-advisory
-
securityfocus.com
/bid/106532
vdb-entry, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-1000426
advisory
Sources
- CVE List CVE-2018-1000426
- GitHub Advisory GHSA-jcmg-9rw5-9rm2
- NVD CVE-2018-1000426
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.