CVE-2011-4682

critical

Description

The JavaScript engine in Opera before 11.60 does not properly implement the in operator, which allows remote attackers to bypass the Same Origin Policy via vectors related to variables on different web sites.

References

http://www.opera.com/support/kb/view/1005/

http://www.opera.com/docs/changelogs/windows/1160/

http://www.opera.com/docs/changelogs/unix/1160/

http://www.opera.com/docs/changelogs/mac/1160/

Details

Source: Mitre, NVD

Published: 2011-12-07

Risk Information

CVSS v2

Base Score: 6.4

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

Severity: Medium

CVSS v3

Base Score: 9.1

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

Severity: Critical