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MEDIUM severity

CVE-2018-1000604 — badge

MEDIUMFix: jenkinsci/badge-plugin@63a7744

CVE-2018-1000604 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in org.jenkins-ci.plugins:badge. A fix is available for org.jenkins-ci.plugins:badge — see the affected versions and patch details below.

Jenkins Badge Plugin cross-site scripting vulnerability

Also known asGHSA-3xjq-8j89-xrw9
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Oct 31, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs53th percentile — riskier than 53% of all scored CVEsHighest risk
0.00%0.40%0.80%1.20%0.1%0.7%May 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕org.jenkins-ci.plugins:badge

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

A persisted cross-site scripting vulnerability exists in Jenkins Badge Plugin 1.4 and earlier in BadgeSummaryAction.java, HtmlBadgeAction.java that allows attackers able to control build badge content to define JavaScript that would be executed in another user's browser when that other user performs some UI actions. Badge Plugin 1.5 and newer sanitizes the provided HTML for display on the Jenkins web UI.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:badgeall versions1.5org.jenkins-ci.plugins:badge:1.5

Affected Products

1 product · 1 configurations
Application
badgejenkins
≤ 1.4
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:badge, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:badge to 1.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-1000604 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

A persisted cross-site scripting vulnerability exists in Jenkins Badge Plugin 1.4 and earlier in BadgeSummaryAction.java, HtmlBadgeAction.java that allows attackers able to control build badge content to define JavaScript that would be executed in another user's browser when that other user performs some UI actions. Badge Plugin 1.5 and newer sanitizes the provided HTML for display on the Jenkins web UI.
O3 Security · Impact-Aware SCA

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CVE-2018-1000604: badge XSS — Fixed in 1.5