MEDIUM
Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service (application hang) via JavaScript code that changes a form before submission
Published Jun 14, 2012
4.3
MEDIUMCVSS 2.0
EPSS 1.07%
Description
Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service (application hang) via JavaScript code that changes a form before submission.
Affected products
No data.
OR
- ≤ 11.65
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.0
- 5.02
- 5.10
- 5.11
- 5.12
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.1
- 6.01
- 6.1
- 6.02
- 6.03
- 6.04
- 6.05
- 6.06
- 6.11
- 6.12
- 7.0
- 7.0
- 7.0
- 7.0
- 7.01
- 7.02
- 7.03
- 7.10
- 7.10
- 7.11
- 7.11
- 7.20
- 7.20
- 7.21
- 7.22
- 7.23
- 7.50
- 7.50
- 7.51
- 7.52
- 7.53
- 7.54
- 7.54
- 7.54
- 8.0
- 8.0
- 8.0
- 8.0
- 8.01
- 8.02
- 8.50
- 8.51
- 8.52
- 8.53
- 8.54
- 9.0
- 9.0
- 9.0
- 9.01
- 9.02
- 9.10
- 9.20
- 9.20
- 9.21
- 9.22
- 9.23
- 9.24
- 9.25
- 9.26
- 9.27
- 9.50
- 9.50
- 9.50
- 9.51
- 9.52
- 9.60
- 9.60
- 9.61
- 9.62
- 9.63
- 9.64
- 10.00
- 10.00
- 10.00
- 10.00
- 10.01
- 10.10
- 10.10
- 10.11
- 10.50
- 10.50
- 10.50
- 10.51
- 10.52
- 10.52
- 10.52
- 10.53
- 10.53
- 10.54
- 10.60
- 10.60
- 10.61
- 10.62
- 10.63
- 11.00
- 11.00
- 11.01
- 11.10
- 11.10
- 11.11
- 11.50
- 11.50
- 11.51
- 11.52
- 11.60
- 11.60
- 11.61
- 11.62
- 11.64
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.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.07% 0.01072
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01072
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 1, 2026 | 1.07% (0.01072) | 63.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.07% (0.01072) | 60.38th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.44% (0.00443) | 61.21th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.20% (0.00199) | 58.71th | v3 (v2023.03.01) |
| May 5, 2023 | 0.20% (0.00199) | 56.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.25% (0.00251) | 61.16th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (2)
- http://www.opera.com/docs/changelogs/windows/1200b/ x_refsource_CONFIRM
- https://exchange.xforce.ibmcloud.com/vulnerabilities/76361 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://www.opera.com/docs/changelogs/windows/1200b/ | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/76361 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 14, 2012
Updated Aug 6, 2024
Reserved Jun 14, 2012
Link CVE-2012-3566
CISA Vulnrichment
Updated n/a