CVE-2012-3566
Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service ...
CVE-2012-3566 is a medium vulnerability (CVSS 4.3) in Opera Browser, published June 14, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 65th percentile. No source names a fixed version.
- Severity
- 4.3 MediumCVSS 2.0, NVD
- Exploit chance
- 1.06%EPSS, 65th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Exploit likelihood
Affected products
What each source reports
NVD Score used
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.
- Record
CVE-2012-3566- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2012-3566- Updated
- 2026-11-02
EUVDEUVD-2012-3513No score
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.
- Record
EUVD-2012-3513- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3v5j-fv58-rhv5No score
Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service ...
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.
- Record
GHSA-3v5j-fv58-rhv5- 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.