CVE-2021-23881

4.8 mediumEPSS 0.6%

Medium (4.8) in mcafee endpoint security. 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.

Severity

CVSS 3.1

4.8 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-02-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mcafee:endpoint_security

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10345
https://kc.mcafee.com/corporate/index?page=content&id=SB10345

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