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MEDIUM severity

CVE-2023-46650 — github

MEDIUMFix: jenkinsci/github-plugin@9e09678

CVE-2023-46650 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in com.coravy.hudson.plugins.github:github. A fix is available for com.coravy.hudson.plugins.github:github — see the affected versions and patch details below.

Stored XSS vulnerability in Jenkins GitHub Plugin

Also known asGHSA-mv77-fj63-q5w8
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-46650.

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%1.81%3.62%5.43%4.3%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
☕com.coravy.hudson.plugins.github:github

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 GitHub Plugin 1.37.3 and earlier does not escape the GitHub project URL on the build page when showing changes.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

GitHub Plugin 1.37.3.1 escapes GitHub project URL on the build page when showing changes.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavencom.coravy.hudson.plugins.github:githuball versions1.37.3.1com.coravy.hudson.plugins.github:github:1.37.3.1

Affected Products

1 product · 1 configurations
Application
githubjenkins
≤ 1.37.3
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 com.coravy.hudson.plugins.github:github, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update com.coravy.hudson.plugins.github:github to 1.37.3.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-46650 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 GitHub Plugin 1.37.3 and earlier does not escape the GitHub project URL on the build page when showing changes. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission. GitHub Plugin 1.37.3.1 escapes GitHub project URL on the build page when showing changes.
O3 Security · Impact-Aware SCA

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CVE-2023-46650: github XSS — Fixed in 1.37.3.1