Silverstripe End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Silverstripe versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 2.3 | 2.3.13 | Feb 23, 2009 | No EOL date | Supported | Active |
| 2.4 | 2.4.13 | Feb 2, 2011 | Mar 31, 2015 | 4102 days past EOL | EOL |
| 3.0 | 3.0.14 | Jun 28, 2012 | Oct 12, 2015 | 3907 days past EOL | EOL |
| 3.1 | 3.1.21 | Oct 1, 2013 | Dec 31, 2016 | 3461 days past EOL | EOL |
| 3.7 | 3.7.5 | Jun 8, 2018 | Sep 30, 2021 | 1727 days past EOL | EOL |
| 4.10 | 4.10.0 | Jan 27, 2022 | Dec 31, 2022 | 1270 days past EOL | EOL |
| 4.11 | 4.11.2 | Jun 28, 2022 | May 19, 2023 | 1131 days past EOL | EOL |
| 4.12 | 4.12.1 | Dec 19, 2022 | Oct 26, 2023 | 971 days past EOL | EOL |
| 4.13 | 4.13.0 | Apr 26, 2023 | Jun 10, 2025 | 378 days past EOL | EOL |
| 5.0 | 5.0.0 | May 8, 2023 | Apr 17, 2024 | 797 days past EOL | EOL |
| 5.1 | 5.1.0 | Oct 17, 2023 | Oct 17, 2024 | 614 days past EOL | EOL |
| 5.2 | 5.2.0 | Apr 15, 2024 | May 5, 2025 | 414 days past EOL | EOL |
| 5.3 | 5.3.0 | Nov 4, 2024 | Oct 11, 2025 | 255 days past EOL | EOL |
| 5.4 | 5.4.0 | Apr 10, 2025 | Apr 30, 2027 | 311 days remaining | Active |
| 6.0 | 6.0.0 | Jun 10, 2025 | Apr 14, 2026 | 70 days past EOL | EOL |
| 6.1 | 6.1.0 | Oct 13, 2025 | Oct 18, 2026 | 117 days remaining | Warning |
| 6.2 | 6.2.0 | Apr 17, 2026 | Apr 30, 2027 | 311 days remaining | Active |
What does Silverstripe end of life mean for your organization?
When a version of Silverstripe reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Silverstripe should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Silverstripe versions. This is a bridge, not a permanent solution — plan your migration in parallel.
We work with vetted extended support vendors. Tell us what you need and we'll connect you with the right provider.
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