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Not in CISA KEV
MEDIUM severity

CVE-2018-1000177 — s3

MEDIUM

CVE-2018-1000177 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in org.jenkins-ci.plugins:s3. A fix is available for org.jenkins-ci.plugins:s3 — see the affected versions and patch details below.

Stored XSS vulnerability in Jenkins S3 Publisher Plugin

Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 4, 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 CVEs52th percentile — riskier than 52% of all scored CVEsHighest risk
0.00%0.39%0.78%1.17%0.1%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:s3

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 cross-site scripting vulnerability exists in Jenkins S3 Plugin 0.10.12 and older in src/main/resources/hudson/plugins/s3/S3ArtifactsProjectAction/jobMain.jelly that allows attackers able to control file names of uploaded files to define file names containing JavaScript that would be executed in another user's browser when that user performs some UI actions.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.jenkins-ci.plugins:s3all versions0.11.0org.jenkins-ci.plugins:s3:0.11.0

Affected Products

1 product · 1 configurations
Application
s3 publisherjenkins
≤ 0.10.12
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:s3, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.jenkins-ci.plugins:s3 to 0.11.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-1000177 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 cross-site scripting vulnerability exists in Jenkins S3 Plugin 0.10.12 and older in src/main/resources/hudson/plugins/s3/S3ArtifactsProjectAction/jobMain.jelly that allows attackers able to control file names of uploaded files to define file names containing JavaScript that would be executed in another user's browser when that user performs some UI actions.
O3 Security · Impact-Aware SCA

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CVE-2018-1000177: s3 XSS — Fixed in 0.11.0