CVE-2013-1639

Opera before 12.13 does not send CORS preflight requests in all required cases, which allows remote attackers to bypass a CSRF protection mechanism via a crafted web site that triggers a CORS request.
CSRF
Severity
UNKNOWN
AV:N/AC:M/Au:N/C:P/I:P/A:P
Atk. Vector
NETWORK
Atk. Complexity
MEDIUM