CVE-2010-2665: Opera Browser

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

Cross-site scripting (XSS) vulnerability in Opera before 10.54 on Windows and Mac OS X, and before 10.11 on UNIX platforms, allows remote attackers to inject arbitrary web script or HTML via a data: URI, related to incorrect detection of the "opening site."

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.