CVE-2013-1639
Opera before 12.13 does not send CORS preflight requests in all required cases, which allows...
CVE-2013-1639 is a medium vulnerability (CVSS 6.8) in Opera Browser, published February 8, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.
- Severity
- 6.8 MediumCVSS 2.0, NVD
- Exploit chance
- 0.49%EPSS, 42nd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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.
Exploit likelihood
Affected products
What each source reports
NVD Score used
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.
- Record
CVE-2013-1639- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2013-1639- Updated
- 2026-11-02
EUVDEUVD-2013-1670No score
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.
- Record
EUVD-2013-1670- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jxcx-gjqg-4rgjNo score
Opera before 12.13 does not send CORS preflight requests in all required cases, which allows...
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.
- Record
GHSA-jxcx-gjqg-4rgj- Weakness
- CWE-352
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.