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PatchSiren cyber security CVE debrief

CVE-2026-48613 phpBB CVE debrief

A SQL injection vulnerability was discovered in phpBB profile field migration, tracked as CVE-2026-48613. This vulnerability occurs due to improper handling of user-supplied profile field data during migration, allowing execution of arbitrary SQL queries. The vulnerability affects phpBB forums that were updated from versions prior to phpBB 3.3.8 and have not been updated to 3.3.11 or newer yet. The CVSS score for this vulnerability is 5.9, with a severity rating of MEDIUM.

Vendor
phpBB
Product
Unknown
CVSS
MEDIUM 5.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-06-23
Advisory published
2026-06-12
Advisory updated
2026-06-23

Who should care

Administrators and users of phpBB forums that were updated from versions prior to phpBB 3.3.8 and have not been updated to 3.3.11 or newer yet should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by improper handling of user-supplied profile field data during migration. This allows an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access or modification of sensitive data.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update phpBB to version 3.3.11 or newer to fix the vulnerability.
  • Review and monitor phpBB forum logs for suspicious activity.

Evidence notes

The CVE record was published on June 12, 2026, at 04:17:11 GMT and modified on June 12, 2026, at 16:15:57 GMT. The vulnerability has a CVSS score of 5.9 and a severity rating of MEDIUM.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48613 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48613

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-48613 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48613

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.