Silverstripe 5.3 · Version Status
Silverstripe 5.3 End of Life Date
Silverstripe 5.3 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Silverstripe 5.3 is past end of life. This version no longer receives security patches. 210 days past EOL — migrate to a supported version immediately.
EOL Date
Oct 11, 2025
210 days past EOL
Latest Release
5.3.0
Standard release
Release Date
Nov 4, 2024
Silverstripe 5.3 series
All Silverstripe Versions
| Version | Latest | EOL Date | Status |
|---|
| 2.3 |
2.3.13 |
Supported |
Active |
| 2.4 |
2.4.13 |
Mar 31, 2015 |
EOL |
| 3.0 |
3.0.14 |
Oct 12, 2015 |
EOL |
| 3.1 |
3.1.21 |
Dec 31, 2016 |
EOL |
| 3.7 |
3.7.5 |
Sep 30, 2021 |
EOL |
| 4.10 |
4.10.0 |
Dec 31, 2022 |
EOL |
| 4.11 |
4.11.2 |
May 19, 2023 |
EOL |
| 4.12 |
4.12.1 |
Oct 26, 2023 |
EOL |
What does Silverstripe 5.3 end of life mean?
When Silverstripe 5.3 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Silverstripe 5.3 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Silverstripe 6.2 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Silverstripe 5.3 reach end of life?
Silverstripe 5.3 reached end of life on October 11, 2025. This version is no longer receiving security patches.
Is Silverstripe 5.3 still supported?
No. Silverstripe 5.3 reached end of life on October 11, 2025 and is no longer receiving security patches.
What should I upgrade to from Silverstripe 5.3?
The recommended upgrade from Silverstripe 5.3 is
Silverstripe 6.2 — the latest actively supported version. Check the
Silverstripe full timeline for all supported versions.
What are the security risks of running Silverstripe 5.3 past EOL?
When Silverstripe 5.3 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Silverstripe should migrate immediately or implement compensating controls.