CVE-2012-3566

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/76361

http://www.opera.com/docs/changelogs/windows/1200b/

Details

Source: Mitre, NVD

Published: 2012-06-14

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00443