Open redirect vulnerability in IBM WebSphere Portal 6.1.0 through 6.1.0.6 CF27, 6.1.5 through 6.1.5.3 CF27, 7.0 through 7.0.0.2 CF28, and 8.0 before 8.0.0.1 CF12 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.