CVE-2008-4200: Opera Browser

Medium severity, CVSS 6.4. EPSS: 3.2% chance of exploitation in the next 30 days.

Opera before 9.52 does not ensure that the address field of a news feed represents the feed's actual URL, which allows remote attackers to change this field to display the URL of a page containing web script controlled by the attacker.

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.