CVE-2011-4681
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 atta…
Published: 2011-12-07 · CVSS: Unscored
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7