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MEDIUM severity

Reflected XSS vulnerability in Jenkins Queue cleanup PluginGHSA-m7pr-m4cx-6m22

MEDIUMFix: jenkinsci/queue-cleanup-plugin@b3e562a

GHSA-m7pr-m4cx-6m22 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in org.jenkins-ci.plugins:queue-cleanup. A fix is available for org.jenkins-ci.plugins:queue-cleanup — see the affected versions and patch details below.

Also known asCVE-2020-2169
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.1%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs65th percentile — riskier than 65% of all scored CVEsHighest risk
0.00%0.52%1.04%1.57%0.2%1.1%May 26Sep 26Nov 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:queue-cleanup

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 form validation HTTP endpoint in Queue cleanup Plugin 1.3 and earlier does not escape a query parameter displayed in an error message. This results in a reflected cross-site scripting vulnerability (XSS).

Queue cleanup Plugin 1.4 correctly escapes the query parameter.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:queue-cleanupall versions1.4org.jenkins-ci.plugins:queue-cleanup:1.4

Affected Products

1 product · 1 configurations
Application
queue cleanupjenkins
≤ 1.3
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:queue-cleanup, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:queue-cleanup to 1.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-m7pr-m4cx-6m22 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 form validation HTTP endpoint in Queue cleanup Plugin 1.3 and earlier does not escape a query parameter displayed in an error message. This results in a reflected cross-site scripting vulnerability (XSS). Queue cleanup Plugin 1.4 correctly escapes the query parameter.
O3 Security · Impact-Aware SCA

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Reflected XSS vulnerability in Jenkins Queue cleanup Plugin