Typo3 API XSS Vulnerability

Incomplete blacklist vulnerability in the t3libdiv::quoteJSvalue API function in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote attackers to conduct cross-site scripting XSS attacks via certain HTML5 JavaScript events...