CVE-2004-2260: Opera Browser

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

Opera Browser 7.23, and other versions before 7.50, updates the address bar as soon as the user clicks a link, which allows remote attackers to redirect to other sites via the onUnload attribute.

Affected products

• Opera Opera Browser: before 7.50 (fixed in 7.50)

Published 2004-12-31. Last modified 2026-06-16.