Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-1000426
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:50 UTC · Revision 1
Source evidence
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.
osv:CVE-2018-1000426
Complete source record
{
"id": "f4523302b33f36aa73c56a91e333838590b0d10f6a8562fe38a2ee593ee1b16e",
"url": "https://osv.dev/vulnerability/CVE-2018-1000426",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-1000426",
"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.",
"evidence": "osv:CVE-2018-1000426",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-1000426",
"aliases": [
"CVE-2018-1000426",
"GHSA-jcmg-9rw5-9rm2"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/jenkinsci/git-changelog-plugin",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "ba6454689276e552bb9ebaaa9c16584db8a482a6"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:jenkins:git_changelog:*:*:*:*:*:jenkins:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.6"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"git-changelog-2.6",
"git-changelog-2.5",
"git-changelog-2.4",
"git-changelog-2.3",
"git-changelog-2.2",
"git-changelog-2.1",
"git-changelog-2.0",
"git-changelog-1.57",
"git-changelog-1.56",
"git-changelog-1.55",
"git-changelog-1.54",
"git-changelog-1.53",
"git-changelog-1.52",
"git-changelog-1.51",
"git-changelog-1.50",
"git-changelog-1.49",
"git-changelog-1.48",
"git-changelog-1.47",
"git-changelog-1.46",
"git-changelog-1.45",
"git-changelog-1.44",
"git-changelog-1.43",
"git-changelog-1.42",
"git-changelog-1.41",
"git-changelog-1.40",
"git-changelog-1.39",
"git-changelog-1.38",
"git-changelog-1.37",
"git-changelog-1.36",
"git-changelog-1.35",
"git-changelog-1.34",
"git-changelog-1.33",
"git-changelog-1.32",
"git-changelog-1.31",
"git-changelog-1.30",
"git-changelog-1.29",
"git-changelog-1.28",
"git-changelog-1.27",
"git-changelog-1.26",
"git-changelog-1.25",
"git-changelog-1.24",
"git-changelog-1.23",
"1.22",
"git-changelog-1.22",
"git-changelog-1.21",
"git-changelog-1.20",
"git-changelog-1.19",
"git-changelog-1.18",
"git-changelog-1.17",
"git-changelog-1.16",
"git-changelog-1.15",
"git-changelog-1.14",
"git-changelog-1.13",
"git-changelog-1.12",
"git-changelog-1.11",
"git-changelog-1.10",
"git-changelog-1.9",
"git-changelog-1.8",
"git-changelog-1.7",
"git-changelog-1.6",
"git-changelog-1.5",
"git-changelog-1.4",
"git-changelog-1.3",
"git-changelog-1.2",
"git-changelog-1.1",
"1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1000426.json"
}
}
],
"modified": "2026-10-24T10:30:22.709084747Z",
"provider": "osv",
"references": [
"https://jenkins.io/security/advisory/2018-09-25/#SECURITY-1122"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-1000426",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430745,
"published_at": "2019-01-09T23:29:02.997+00:00"
}