CVE-2008-4198: Opera Browser

Medium severity, CVSS 5.0. EPSS: 2.8% chance of exploitation in the next 30 days.

Opera before 9.52, when rendering an http page that has loaded an https page into a frame, displays a padlock icon and offers a security information dialog reporting a secure connection, which might allow remote attackers to trick a user into performing unsafe actions on the http page.

Affected products

• Opera Opera Browser: up to and including 9.51; version 5.0 only; version 5.02 only; version 5.10 only; version 5.11 only; version 5.12 only; …

Published 2008-09-27. Last modified 2026-06-16.