| Package | Affected versions | Patched versions |
|---|---|---|
| opera browser | = 12.00= 12.01= 12.02= 12.10= 12.11≤ 12.12 |
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.
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