MEDIUM
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
Published Feb 8, 2013
6.8
MEDIUMCVSS 2.0
EPSS 0.49%
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
No data.
OR
- ≤ 12.12
- 12.00
- 12.00
- 12.01
- 12.02
- 12.10
- 12.10
- 12.11
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.49% 0.00491
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.00491
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.49% (0.00491) | 40.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.49% (0.00491) | 38.12th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00107) | 26.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00159) | 53.70th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.16% (0.00159) | 52.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00159) | 50.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html vendor-advisoryx_refsource_SUSE
- http://www.opera.com/docs/changelogs/unified/1213/ x_refsource_CONFIRM
- http://www.opera.com/support/kb/view/1045/ x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-updates/2013-02/msg00038.html | vendor-advisoryx_refsource_SUSE | |
| http://www.opera.com/docs/changelogs/unified/1213/ | x_refsource_CONFIRM | |
| http://www.opera.com/support/kb/view/1045/ | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 8, 2013
Updated Aug 6, 2024
Reserved Feb 8, 2013
Link CVE-2013-1639
CISA Vulnrichment
Updated n/a