MyBB 1.8.33 Released — Security & Maintenance Release

MyBB 1.8.33 is now available, and is a security & maintenance release.

This version improves cache system stability, and compatibility with PostgreSQL (PDO) and recent PHP versions.

  • 1 security vulnerability addressed:

    • High risk: ACP Languages local file inclusion (advisory) — reported by yelang123 (Stealien), NGA (Stealien)
  • 8 issues resolved

Check the Release Notes for more information.

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Go to to report possible security concerns or to learn more about security research at MyBB.
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MyBB Team