CVE-2019-3602: Cross site scripting vulnerability in McAfee NSM impacting authenticated users

Severity: medium (CVSS 4.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-05-15 · updated 2026-06-17
Weakness: CWE-79

Description

Cross Site Scripting (XSS) vulnerability in McAfee Network Security Manager (NSM) Prior to 9.1 Update 5 allows an authenticated administrator to embed an XSS in the administrator interface via a specially crafted custom rule containing HTML.

Affected products

McAfee Network Security Management (NSM): before 9.1; 9.1, 9.1-update_1, 9.1-update_2, 9.1-update_3, 9.1-update_4 — fixed in 9.1

How to fix

Upgrade to a fixed version: McAfee Network Security Management (NSM) 9.1. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/108400
https://kc.mcafee.com/corporate/index?page=content&id=SB10281
http://www.securityfocus.com/bid/108400
https://kc.mcafee.com/corporate/index?page=content&id=SB10281

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