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MEDIUM severity

Products.CMFPlone XSS in profile home_page propertyGHSA-859j-668v-mrr6

MEDIUMFix: plone/Products.CMFPlone#2233

GHSA-859j-668v-mrr6 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in products-cmfplone. A fix is available for products-cmfplone — see the affected versions and patch details below.

Also known asCVE-2017-1000482PYSEC-2018-71PYSEC-2026-2962
Published
Updated
Affected
5 pkgs
Patched
5 / 5
Exploits
None indexed
Exploitation data as of Nov 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs47th percentile — riskier than 47% of all scored CVEsHighest risk
0.00%0.35%0.71%1.06%0.3%0.6%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

5 pkgs affected
🐍products-cmfplone🐍products-cmfplone🐍products-cmfplone🐍plone🐍plone

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

Description

A member of the Plone 2.5-5.1rc1 site could set javascript in the home_page property of his profile, and have this executed when a visitor click the home page link on the author page.

Affected Packages

5 total 5 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIproducts-cmfploneall versions4.3.17pip install --upgrade 'products-cmfplone==4.3.17'
🐍PyPIproducts-cmfplone≥ 5.0.0&&< 5.0.105.0.10pip install --upgrade 'products-cmfplone==5.0.10'
🐍PyPIproducts-cmfplone≥ 5.1a1&&< 5.1.05.1.0pip install --upgrade 'products-cmfplone==5.1.0'
🐍PyPIplone≥ 2.5a1&&< 4.3.164.3.16pip install --upgrade 'plone==4.3.16'
🐍PyPIplone≥ 5.0a1&&< 5.1.05.1.0pip install --upgrade 'plone==5.1.0'

Affected Products

1 product · 7 configurations
Application
ploneplone
≤ 5.0.9
1 version
5.1

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update products-cmfplone to 4.3.17 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-859j-668v-mrr6 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 member of the Plone site could set javascript in the `home_page` property of their profile, and have this executed when a visitor clicks the home page link on the author page.
O3 Security · Impact-Aware SCA

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Products.CMFPlone XSS in profile home_page property