CVE-2008-6456: Martin Helmich Hbook

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

SQL injection vulnerability in the HBook (h_book) extension 2.3.0 and earlier for TYPO3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.

Affected products

• Martin Helmich Hbook: up to and including 2.3.0

Published 2009-03-13. Last modified 2026-06-16.