phpBB vulnerabilities: known CVEs & security history
phpBB · CMS / Forum · 43 tracked CVEs · 0 actively exploited · updated June 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all phpBB release lines — 43 in total. A CVE here doesn't mean your version is affected — check phpBB's current status and the safe version to run.
Known phpBB CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2008-3224 | high | 10 | 1% | 2008 |
| CVE-2008-1766 | high | 10 | 1% | 2008 |
| CVE-2025-70810 | high | 8.8 | 0% | 2026 |
| CVE-2019-16993 | high | 8.8 | 1% | 2019 |
| CVE-2001-1471 | high | 8.8 | 8% | 2001 |
| CVE-2026-29199 | high | 8.1 | 0% | 2026 |
| CVE-2019-16108 | high | 7.5 | 1% | 2020 |
| CVE-2019-9826 | high | 7.5 | 2% | 2019 |
| CVE-2017-1000419 | high | 7.5 | 1% | 2018 |
| CVE-2010-1630 | high | 7.5 | 1% | 2010 |
| CVE-2008-6314 | high | 7.5 | 1% | 2009 |
| CVE-2008-6301 | high | 7.5 | 1% | 2009 |
| CVE-2008-1305 | high | 7.5 | 1% | 2008 |
| CVE-2007-5688 | high | 7.5 | 1% | 2007 |
| CVE-2007-4984 | high | 7.5 | 1% | 2007 |
| CVE-2007-4653 | high | 7.5 | 1% | 2007 |
| CVE-2006-7168 | high | 7.5 | 7% | 2007 |
| CVE-2003-1530 | high | 7.5 | 1% | 2003 |
| CVE-2018-19274 | high | 7.2 | 5% | 2018 |
| CVE-2015-1432 | medium | 6.8 | 1% | 2015 |
| CVE-2008-7143 | medium | 6.8 | 1% | 2009 |
| CVE-2007-5173 | medium | 6.8 | 3% | 2007 |
| CVE-2020-5502 | medium | 6.5 | 0% | 2020 |
| CVE-2019-13376 | medium | 6.5 | 1% | 2019 |
| CVE-2009-3052 | medium | 6.5 | 1% | 2009 |
| CVE-2011-0544 | medium | 6.1 | 1% | 2019 |
| CVE-2015-3880 | medium | 6.1 | 2% | 2017 |
| CVE-2020-8226 | medium | 5.8 | 1% | 2020 |
| CVE-2019-11767 | medium | 5.8 | 1% | 2019 |
| CVE-2006-5191 | medium | 5.1 | 3% | 2006 |
| CVE-2008-6507 | medium | 5 | 1% | 2009 |
| CVE-2008-6506 | medium | 5 | 1% | 2009 |
| CVE-2008-4125 | medium | 5 | 2% | 2008 |
| CVE-2006-2220 | medium | 5 | 1% | 2007 |
| CVE-2002-2346 | medium | 5 | 1% | 2002 |
| CVE-2025-70811 | medium | 4.3 | 0% | 2026 |
| CVE-2019-16107 | medium | 4.3 | 0% | 2020 |
| CVE-2020-5501 | medium | 4.3 | 0% | 2020 |
| CVE-2015-1431 | medium | 4.3 | 3% | 2015 |
| CVE-2010-1627 | medium | 4.3 | 1% | 2010 |
| CVE-2008-0471 | medium | 4.3 | 1% | 2008 |
| CVE-2002-2255 | medium | 4.3 | 1% | 2002 |
| CVE-2023-5917 | low | 2.4 | 1% | 2023 |
Is my phpBB version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your phpBB version → · Monitor phpBB for new CVEs →
phpBB vulnerabilities — frequently asked
How many known vulnerabilities does phpBB have?
IsItPatched tracks 43 CVEs for phpBB. 0 are critical-severity and 19 high-severity. These span every release line — what matters is whether the version you run is affected.
Does phpBB have any actively-exploited vulnerabilities?
None of phpBB's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe phpBB vulnerability?
Among tracked issues, CVE-2008-3224 (HIGH, CVSS 10) ranks highest.
Is phpBB safe to use?
It depends on the version. The latest supported phpBB release (3.3.17) clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: phpBB security status · phpBB end-of-life · actively-exploited CVEs. Always verify against phpBB's advisories — see our disclaimer.