Mozilla before 1.4.2 executes Javascript events in the context of a new page while it is being loaded, allowing it to interact with the previous page (zombie document) and enable cross-domain and cross-site scripting (XSS) attacks, as demonstrated using onmousemove events.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This vulnerability has a 1.61% probability of being exploited in the next 30 days, ranking higher than 75% of all scored CVEs.