CVE-2012-6463: Opera Browser

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arbitrary web script or HTML via vectors involving an unspecified sequence of loading of documents and loading of data: URLs.

Affected products

• Opera Opera Browser: up to and including 12.10; version 1.00 only; version 2.00 only; version 2.10 only; version 2.12 only; version 3.00 only; …

Published 2013-01-02. Last modified 2026-06-16.