CVE-2019-3638

9.6 criticalEPSS 1.9%

Critical (9.6) in mcafee web gateway. EPSS 1.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.6 critical

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

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2019-09-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mcafee:web_gateway

References

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

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