Is phpBB 3.1.12 patched?
Current stable (3.3.17): 100/100
3.1.12 has 3 open critical-or-high vulnerabilities. Run 3.3.16 or later to clear them. See what 3.3.16 fixes →
Summary iPlain-English security status for phpBB 3.1.12, built from its CVEs, active-exploitation data, end-of-life date and latest release.
phpBB 3.1.12 is part of the 3.1 release line. 6 known vulnerabilities affect it. The minimum safe version is 3.3.16 — upgrade to it or later to clear the open critical/high issues. The 3.1 line reached end-of-life on 2018-11-01, so it no longer receives security patches. The latest supported phpBB release is 3.3.17.
Known issues affecting 3.1.12
Exploited first, then by exploitation probability.
CVE-2018-19274 HIGH EPSS 5% → fixed in 3.2.4 CVE-2019-9826 HIGH EPSS 2% → see advisory CVE-2019-11767 MEDIUM EPSS 1% → fixed in 3.2.6 CVE-2020-8226 MEDIUM EPSS 1% → fixed in 3.3.1 CVE-2023-5917 LOW EPSS 1% → fixed in 3.3.11 CVE-2026-29199 HIGH EPSS 0% → fixed in 3.3.16Frequently asked
Is phpBB 3.1.12 patched?
phpBB 3.1.12 is end-of-life and no longer receives security patches. Move to 3.3.17.
What version should I upgrade phpBB 3.1.12 to?
Upgrade phpBB 3.1.12 to at least 3.3.16 to clear its 3 open critical-or-high vulnerabilities.
When does phpBB 3.1 reach end-of-life?
phpBB 3.1 reached end-of-life on 2018-11-01 and no longer receives security patches.
What is the latest version of phpBB?
The latest supported phpBB release is 3.3.17.
Is phpBB 3.1.12 still receiving security updates?
No — phpBB 3.1.12 is on the 3.1 line, which reached end-of-life on 2018-11-01 and no longer receives security updates. Upgrade to 3.3.17 or later to stay supported.
Informational only, from public data (NVD · CISA KEV · EPSS · endoflife.date), and can lag or miss vendor-specific fixes. Always confirm against phpBB's official advisory before you patch or upgrade — phpBB official site ↗