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MEDIUM severity

Stored XSS vulnerability in Jenkins FitNesse PluginGHSA-f6vx-3fq6-hxm8

MEDIUMFix: jenkinsci/fitnesse-plugin@309d402

GHSA-f6vx-3fq6-hxm8 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in org.jenkins-ci.plugins:fitnesse. A fix is available for org.jenkins-ci.plugins:fitnesse — see the affected versions and patch details below.

Also known asCVE-2020-2175
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 6, 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 CVEs54th percentile — riskier than 54% of all scored CVEsHighest risk
0.00%0.40%0.80%1.21%0.2%0.7%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:fitnesse

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

Jenkins FitNesse Plugin 1.31 and earlier does not correctly escape report contents before showing them on the Jenkins UI.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by users able to control the XML input files processed by the plugin.

Jenkins FitNesse Plugin 1.32 escapes content from XML input files before rendering it on the Jenkins UI.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:fitnesseall versions1.32org.jenkins-ci.plugins:fitnesse:1.32

Affected Products

1 product · 1 configurations
Application
fitnessejenkins
≤ 1.31
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:fitnesse, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:fitnesse to 1.32 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-f6vx-3fq6-hxm8 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

Jenkins FitNesse Plugin 1.31 and earlier does not correctly escape report contents before showing them on the Jenkins UI. This results in a stored cross-site scripting (XSS) vulnerability exploitable by users able to control the XML input files processed by the plugin. Jenkins FitNesse Plugin 1.32 escapes content from XML input files before rendering it on the Jenkins UI.
O3 Security · Impact-Aware SCA

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Stored XSS vulnerability in Jenkins FitNesse Plugin