CVE-2010-2660: Opera Browser

Medium severity, CVSS 4.3. EPSS: 2.3% chance of exploitation in the next 30 days.

Opera before 10.54 on Windows and Mac OS X, and before 10.60 on UNIX platforms, does not properly restrict certain uses of homograph characters in domain names, which makes it easier for remote attackers to spoof IDN domains via unspecified choices of characters.

Affected products

• Opera Opera Browser: up to and including 10.53; version 5.0 only; version 5.02 only; version 5.10 only; version 5.11 only; version 5.12 only; …

Published 2010-07-08. Last modified 2026-06-16.