What’s Vulnerable › Vulnerabilities

CVE-2013-1639

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-02-08 · updated 2026-06-16
• Weakness: CWE-352

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.

Affected products

• Opera Browser: through 12.12; 12.00, 12.00-beta, 12.01, 12.02, 12.10, 12.10-beta (+1)

References

• http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html
• http://www.opera.com/docs/changelogs/unified/1213/
• http://www.opera.com/support/kb/view/1045/
• http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html
• http://www.opera.com/docs/changelogs/unified/1213/
• http://www.opera.com/support/kb/view/1045/

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