CVE-2007-3142: Opera Browser

Medium severity, CVSS 5.8. EPSS: 1.5% chance of exploitation in the next 30 days.

Visual truncation vulnerability in Opera 9.21 allows remote attackers to spoof the address bar and possibly conduct phishing attacks via a long hostname, which is truncated after 34 characters, as demonstrated by a phishing attack using HTTP Basic Authentication.

Affected products

• Opera Opera Browser: version 9.21 only

Published 2007-06-11. Last modified 2026-06-16.