CVE-2011-3426: Apple iPhone OS

Medium severity, CVSS 4.3. EPSS: 1.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in Safari in Apple iOS before 5 allows remote web servers to inject arbitrary web script or HTML via a file accompanied by a "Content-Disposition: attachment" HTTP header.

Affected products

• Apple iPhone OS: version 3.0 only; version 3.1 only; version 3.1.2 only; version 3.1.3 only; version 3.2 only; version 3.2.1 only; …

Published 2011-10-14. Last modified 2026-06-16.