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Vulnerability record · CVE-2019-3638 · published 12 September 2019

CVE-2019-3638: Mcafee web gateway cross-site scripting vulnerability

MMcafee · Web Gateway

Reflected Cross Site Scripting vulnerability in Administrators web console in McAfee Web Gateway (MWG) 7.8.x prior to 7.8.2.13 allows remote attackers to collect sensitive information or execute commands with the MWG administrator's credentials via tricking the administrator to click on a carefully constructed malicious link.

9.6 CVSS 3.1 Critical EPSS 1.9% · top 20.9% CWE-79 · Cross-site scripting
9.6CVSS 3.1 base score, v2 4.3
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Reflected Cross Site Scripting vulnerability in Administrators web console in McAfee Web Gateway (MWG) 7.8.x prior to 7.8.2.13 allows remote attackers to collect sensitive information or execute commands with the MWG administrator's credentials via tricking the administrator to click on a carefully constructed malicious link.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://kc.mcafee.com/corporate/index?page=content&id=SB10294
https://kc.mcafee.com/corporate/index?page=content&id=SB10294

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Source: NIST National Vulnerability Database (record CVE-2019-3638), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.