| CVE-2013-1639 | Date: (C)2013-02-08 (M)2023-12-22 |
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.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 6.8 |
| Exploit Score: 8.6 |
| Impact Score: 6.4 |
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| CVSS V2 Metrics: |
| Access Vector: NETWORK |
| Access Complexity: MEDIUM |
| Authentication: NONE |
| Confidentiality: PARTIAL |
| Integrity: PARTIAL |
| Availability: PARTIAL |
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