Plone 4.x — End of Life
EOLPlone 4.x — All releases
| Version | Released | Active support | EOL date | Latest patch | Status |
|---|---|---|---|---|---|
| 4.3 | Apr 6, 2013 | Aug 28, 2020 | Dec 12, 2022 | 4.3.20 | EOL |
CVEs affecting Plone 4.x (0)
Plone 4.x is EOL — migrate to Plone 5.x
Plone 5.x is the next major release. Plan your upgrade before Plone 4.x stops receiving security patches.
Frequently asked questions
Is Plone 4 end of life?
Yes. All Plone 4.x releases have reached end of life and no longer receive security patches. Migrate to Plone 5.x as soon as possible.
What CVEs affect Plone 4?
No CVEs are currently tracked for Plone 4.x in our database. This may mean no vulnerabilities have been recorded yet, or the data is still syncing.
What is the latest Plone 4 version?
The latest Plone 4.x patch release is 4.3.20, released on August 28, 2020. Always run the latest patch to benefit from all security fixes.
How to migrate from Plone 4 to Plone 5?
To migrate from Plone 4 to Plone 5: (1) review the official Plone 5 migration guide for breaking changes, (2) update dependencies and configuration accordingly, (3) test thoroughly in a staging environment, (4) deploy with a rollback plan. Starting early gives you time to resolve compatibility issues before your current version reaches end of life.
Is it safe to run Plone 4 in production?
No. Plone 4 has reached end of life and security vulnerabilities are no longer patched. Upgrade to a supported version immediately.
Data sourced from endoflife.date · CVE data from NVD · EPSS from FIRST.org · KEV from CISA