HIGH 8.8
PYSEC-2026-735
Improper Restriction of XML External Entity Reference in Plone
Details
Plone before 5.2.3 allows XXE attacks via a feature that is protected by an unapplied permission of plone.schemaeditor.ManageSchemata (therefore, only available to the Manager role).
Are you affected?
Enter the version of the package you're using.
Affected packages
PyPI / plone-supermodel
Introduced in:
0 Fixed in: 1.6.3 Fix
pip install --upgrade 'plone-supermodel>=1.6.3' References
- https://nvd.nist.gov/vuln/detail/CVE-2020-28736 [ADVISORY]
- https://github.com/plone/Products.CMFPlone/issues/3209 [WEB]
- https://dist.plone.org/release/5.2.3/RELEASE-NOTES.txt [WEB]
- https://github.com/advisories/GHSA-2c8c-84w2-j38j [ADVISORY]
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-248.yaml [WEB]
- https://www.misakikata.com/codes/plone/python-en.html [WEB]
- https://pypi.org/project/plone-supermodel [PACKAGE]