CVE-2011-4681

Description

Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Same Origin Policy by leveraging access to a different domain name in the same top-level domain, as demonstrated by the .no or .uk domain.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory opera.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.opera.com/support/kb/view/1003/ vendor advisory
http://www.opera.com/docs/changelogs/mac/1160/
http://www.opera.com/docs/changelogs/windows/1160/
http://www.opera.com/docs/changelogs/unix/1160/

Frequently Asked Questions

What is the severity of CVE-2011-4681?
CVE-2011-4681 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4681?
To fix CVE-2011-4681, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4681 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-4681 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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