CVE-2018-18940: Netscape Enterprise Server

Medium severity, CVSS 6.1. EPSS: 1.4% chance of exploitation in the next 30 days.

servlet/SnoopServlet (a servlet installed by default) in Netscape Enterprise 3.63 has reflected XSS via an arbitrary parameter=[XSS] in the query string. A remote unauthenticated attacker could potentially exploit this vulnerability to supply malicious HTML or JavaScript code to a vulnerable web application, which is then reflected back to the victim and executed by the web browser. NOTE: this product is discontinued.

Affected products

• Netscape Enterprise Server: version 3.63 only

Published 2019-01-31. Last modified 2026-06-17.