CVE-2021-23881: McAfee Endpoint Security

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A stored cross site scripting vulnerability in ePO extension of McAfee Endpoint Security (ENS) prior to 10.7.0 February 2021 Update allows an ENS ePO administrator to add a script to a policy event which will trigger the script to be run through a browser block page when a local non-administrator user triggers the policy.

Affected products

• McAfee Endpoint Security: before 10.7.0 (fixed in 10.7.0)

Published 2021-02-10. Last modified 2026-06-17.