system
Describe <CVE-2010-1421>.
user
What is <CVE-2010-1421>?
assistant
The execCommand JavaScript function in WebKit in Apple Safari before 5.0 on Mac OS X 10.5 through 10.6 and Windows, and before 4.1 on Mac OS X 10.4, does not properly restrict remote execution of clipboard commands, which allows remote attackers to modify the clipboard via a crafted HTML document..