Opera before 12.13 does not send CORS preflight requests in all required cases, which…
Priority LOW 31CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Tampering
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
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.
Why it matters now
EPSS 0.00491 42nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* | up to 12.12 | Vulnerable | Opera |
| cpe:2.3:a:opera:opera_browser:12.00:*:*:*:*:*:*:* | 12.00 | Vulnerable | Opera |
| cpe:2.3:a:opera:opera_browser:12.00:beta:*:*:*:*:*:* | 12.00 beta | Vulnerable | Opera |
| cpe:2.3:a:opera:opera_browser:12.01:*:*:*:*:*:*:* | 12.01 | Vulnerable | Opera |
| cpe:2.3:a:opera:opera_browser:12.02:*:*:*:*:*:*:* | 12.02 | Vulnerable | Opera |
| cpe:2.3:a:opera:opera_browser:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | Opera |
| cpe:2.3:a:opera:opera_browser:12.10:beta:*:*:*:*:*:* | 12.10 beta | Vulnerable | Opera |
| cpe:2.3:a:opera:opera_browser:12.11:*:*:*:*:*:*:* | 12.11 | Vulnerable | Opera |
- cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:* Versions up to 12.12 Vulnerable ·Opera
- cpe:2.3:a:opera:opera_browser:12.00:*:*:*:*:*:*:* Versions 12.00 Vulnerable ·Opera
- cpe:2.3:a:opera:opera_browser:12.00:beta:*:*:*:*:*:* Versions 12.00 beta Vulnerable ·Opera
- cpe:2.3:a:opera:opera_browser:12.01:*:*:*:*:*:*:* Versions 12.01 Vulnerable ·Opera
- cpe:2.3:a:opera:opera_browser:12.02:*:*:*:*:*:*:* Versions 12.02 Vulnerable ·Opera
- cpe:2.3:a:opera:opera_browser:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Opera
- cpe:2.3:a:opera:opera_browser:12.10:beta:*:*:*:*:*:* Versions 12.10 beta Vulnerable ·Opera
- cpe:2.3:a:opera:opera_browser:12.11:*:*:*:*:*:*:* Versions 12.11 Vulnerable ·Opera
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-1639
- 2026-10-03 Alias added: GHSA-jxcx-gjqg-4rgj
References
More Opera Browser vulnerabilities
- TI-2015-03381 The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server… CVSS 3.1LOW 3.7
- TI-2010-01304 Integer overflow in Opera 10.10 through 10.50 allows remote attackers to execute… CVSS 2.0HIGH 10.0
- TI-2011-02999 The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft… CVSS 2.0MEDIUM 4.3
- TI-2011-02290 Opera before 11.11 does not properly implement FRAMESET elements, which allows remote… CVSS 2.0HIGH 10.0
- TI-2007-05262 Unspecified vulnerability in Adobe Flash Player 9.0.47.0 and earlier, when running on… CVSS 2.0HIGH 10.0
- TI-2007-00121 Heap-based buffer overflow in Opera 9.02 allows remote attackers to execute arbitrary… CVSS 2.0HIGH 9.3
Sources
- CVE-2013-1639 · CVE Program
- CVE-2013-1639 · NVD
- FIRST EPSS
- GHSA-jxcx-gjqg-4rgj · GitHub Advisory Database · CC BY 4.0
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