TYPO3 http:BL Blocking 'http:BL Blocking' Extension Cross-Site Scripting Vulnerability

TYPO3 is a free and open source content management system maintained by the Swiss TYPO3 Association. A cross-site scripting vulnerability exists in the TYPO3 http:BL Blocking extension, which allows remote attackers to exploit the vulnerability to inject malicious script or HTML code, which can b...