CVE-2004-0717: Opera Browser

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

Opera 7.51 for Windows and 7.50 for Linux does not properly prevent a frame in one domain from injecting content into a frame that belongs to another domain, which facilitates web site spoofing and other attacks, aka the frame injection vulnerability.

Affected products

• Opera Opera Browser: version 7.50 only; version 7.51 only

Published 2004-07-27. Last modified 2026-06-16.