CVE-2011-2609: Opera Browser

Medium severity, CVSS 4.3. EPSS: 1.6% chance of exploitation in the next 30 days.

Opera before 11.50 does not properly restrict data: URIs, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted web site.

Affected products

• Opera Opera Browser: up to and including 11.50; version 5.0 only; version 5.02 only; version 5.10 only; version 5.11 only; version 5.12 only; …

Published 2011-07-01. Last modified 2026-06-16.