CVE-1999-0809: Netscape Communicator

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

Netscape Communicator 4.x with Javascript enabled does not warn a user of cookie settings, even if they have selected the option to "Only accept cookies originating from the same server as the page being viewed".

Affected products

• Netscape Communicator: version 4.0 only

Published 1999-07-09. Last modified 2026-06-16.