PyPI/plone-app-event CVE-2020-28734: high 8.8, EPSS 1.45%

Improper Restriction of XML External Entity Reference in Plone

Action: Upgrade plone-app-event to 3.2.10 or later.

pip install plone-app-event==3.2.10

Affected

Fixed versions

Sources

• osv: GHSA-wq6x-g685-w5f2#PyPI/plone-app-event
• https://nvd.nist.gov/vuln/detail/CVE-2020-28734
• https://github.com/plone/Products.CMFPlone/issues/3209
• https://dist.plone.org/release/5.2.3/RELEASE-NOTES.txt
• https://github.com/advisories/GHSA-wq6x-g685-w5f2
• https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-246.yaml
• https://www.misakikata.com/codes/plone/python-en.html

CVE-2020-28734 · published 2021-04-07T21:13:00Z · modified 2026-07-13T16:43:11.751432633Z · JSON