CVE-2011-0681: Opera Browser

Medium severity, CVSS 4.3. EPSS: 2.5% chance of exploitation in the next 30 days.

The Cascading Style Sheets (CSS) Extensions for XML implementation in Opera before 11.01 recognizes links to javascript: URLs in the -o-link property, which makes it easier for remote attackers to bypass CSS filtering via a crafted URL.

Affected products

• Opera Opera Browser: up to and including 11.00; version 5.0 only; version 5.02 only; version 5.10 only; version 5.11 only; version 5.12 only; …

Published 2011-01-31. Last modified 2026-06-16.