Unspecified vulnerability in the OpenID Identity Authentication extension in TYPO3 4.3.0 allows remote attackers to bypass authentication and gain access to a…

Unspecified vulnerability in the OpenID Identity Authentication extension in TYPO3 4.3.0 allows remote attackers to bypass authentication and gain access to a backend user account via unknown attack vectors in which both the attacker and victim have an OpenID provider that discards identities during authentication.