CVE-2021-31834: McAfee Epolicy Orchestrator

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Stored Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) prior to 5.10 Update 11 allows ePO administrators to inject arbitrary web script or HTML via multiple parameters where the administrator's entries were not correctly sanitized.

Affected products

• McAfee Epolicy Orchestrator: before 5.10.0 (fixed in 5.10.0); version 5.10.0 only

Published 2021-10-22. Last modified 2026-06-17.