CVE-2008-1999: Apple Safari

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

Apple Safari 3.1.1 allows remote attackers to spoof the address bar by placing many "invisible" characters in the userinfo subcomponent of the authority component of the URL (aka the user field), as demonstrated by %E3%80%80 sequences.

Affected products

• Apple Safari: version 3.1.1 only

Published 2008-04-28. Last modified 2026-06-16.