Multiple cross-site scripting (XSS) vulnerabilities in unspecified backend components in TYPO3 4.5.0 before 4.5.34, 4.7.0 before 4.7.19, 6.0.0 before 6.0.14, 6.1.0 before 6.1.9, and 6.2.0 before 6.2.3 allow remote authenticated editors to inject arbitrary web script or HTML via unknown parameters.