PT-2020-17037 · Plone Foundation · Plone

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CVE-2020-28734

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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 through a feature explicitly 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-2020-28734
GHSA-WQ6X-G685-W5F2
PYSEC-2020-246
PYSEC-2026-2880
PYSEC-2026-2883
PYSEC-2026-2886
PYSEC-2026-736

Affected Products

Plone