PT-2020-17039 · Plone Foundation · Plone

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CVE-2020-28736

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Published

2020-12-30

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Updated

2026-07-09

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Plone versions prior to 5.2.3
Description The issue allows XXE attacks via a feature protected by an unapplied permission of plone.schemaeditor.ManageSchemata, which is only available to the Manager role.
Recommendations For versions prior to 5.2.3, update to version 5.2.3 or later to resolve the issue.

Fix

DoS

XXE

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Weakness Enumeration

Related Identifiers

CVE-2020-28736
GHSA-2C8C-84W2-J38J
PYSEC-2020-248
PYSEC-2026-2879
PYSEC-2026-2882
PYSEC-2026-2885
PYSEC-2026-735

Affected Products

Plone