WebCore, as used in Apple Safari before 3.1, does not enforce the frame navigation policy for Java applets, which allows remote attackers to conduct cross-site scripting (XSS) attacks.

Cross-site scripting (XSS) vulnerability in WebCore, as used in Apple Safari before 3.1, allows remote attackers to inject arbitrary web script or HTML via unknown vectors related to sites that set the document.domain property or have the same document.domain.

Buffer overflow in WebKit, as used in Apple Safari before 3.1, allows remote attackers to execute arbitrary code via crafted regular expressions in JavaScript.