CVE-2011-0242: Apple Safari

Medium severity, CVSS 4.3. EPSS: 1.7% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in WebKit in Apple Safari before 5.0.6 allows remote attackers to inject arbitrary web script or HTML via vectors involving a URL that contains a username.

Affected products

• Apple Safari: up to and including 5.0.5; version 1.0 only; version 1.0.0 only; version 1.0.0b1 only; version 1.0.0b2 only; version 1.0.1 only; …
• Apple Webkit: any version

Published 2011-07-21. Last modified 2026-06-16.