CVE-2020-28736
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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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).
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | plone-supermodel | <1.6.3 | 1.6.3 |
| PyPI | plone-app-event | <3.2.10 | 3.2.10 |
| PyPI | plone-app-dexterity | <2.6.8 | 2.6.8 |
| PyPI | plone-app-theming | <4.1.6 | 4.1.6 |
| PyPI | plone | <5.2.3 | 5.2.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-28736
- https://github.com/plone/Products.CMFPlone/issues/3209
- https://dist.plone.org/release/5.2.3/RELEASE-NOTES.txt
- https://github.com/advisories/GHSA-2c8c-84w2-j38j
- https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-248.yaml
- https://www.misakikata.com/codes/plone/python-en.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.