Cross-site request forgery (CSRF) vulnerability in IBM Tivoli Identity Manager (ITIM) 5.0 before 5.0.0.15 and 5.1 before 5.1.0.15 and IBM Security Identity Manager (ISIM) 6.0 before 6.0.0.2 allows remote authenticated users to hijack the authentication of arbitrary users for requests that insert XSS sequences.