CVE-2009-4855: TYPO3

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

SQL injection vulnerability in index.php in TYPO3 4.0 allows remote attackers to execute arbitrary SQL commands via the showUid parameter. NOTE: the TYPO3 Security Team disputes this report, stating that "there is no such vulnerability... The showUid parameter is generally used in third-party TYPO3 extensions - not in TYPO3 Core.

Affected products

• TYPO3 TYPO3: version 4.0 only

Published 2010-05-11. Last modified 2026-06-16.