The Authentication component in TYPO3 6.2.0 before 6.2.3 does not properly invalidate timed out user sessions, which allows remote attackers to bypass authentication via unspecified vectors.

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 allows remote attackers to have unspecified impact via a crafted HTTP Host header, related to "Host Spoofing."

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.

The query caching functionality in the Extbase Framework component in TYPO3 6.2.0 before 6.2.3 does not properly validate group permissions, which allows remote authenticated users to read arbitrary queries via unspecified vectors.

Multiple cross-site scripting (XSS) vulnerabilities in Content Editing Wizards in TYPO3 4.5.x before 4.5.32, 4.7.x before 4.7.17, 6.0.x before 6.0.12, 6.1.x before 6.1.7, and the development versions of 6.2 allow remote authenticated users to inject arbitrary web script or HTML via unspecified parameters.