CVE-2003-1560: Netscape Navigator

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

Netscape 4 sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.

Affected products

• Netscape Navigator: version 4 only

Published 2003-12-31. Last modified 2026-06-16.