PYSEC-2026-2885
Improper Restriction of XML External Entity Reference in Plone
At a glance
- Published
- Updated
- CVE
- CVE-2020-28736
- Aliases
- GHSA-2c8c-84w2-j38j, PYSEC-2020-248, PYSEC-2026-2879, PYSEC-2026-2882, PYSEC-2026-735
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Description
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).
Affected packages
| Package | Versions |
|---|---|
| PyPI · plone-app-theming | introduced 0, fixed 4.1.6 |
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-app-theming PACKAGE
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |