TYPO3 Improper Input Validation Vulnerability - CVE-2009-0258
The Indexed Search Engine (indexed_search) system extension in TYPO3 4.0.0 through 4.0.9 4.1.0 through 4.1.7 and 4.2.0 through 4.2.3 allows remote attackers to execute arbitrary commands via a crafted filename containing shell metacharacters which is not properly handled by the command-line indexer.