CVE-2021-31852: McAfee Policy Auditor

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

A Reflected Cross-Site Scripting vulnerability in McAfee Policy Auditor prior to 6.5.2 allows a remote unauthenticated attacker to inject arbitrary web script or HTML via the UID request parameter. The malicious script is reflected unmodified into the Policy Auditor web-based interface which could lead to the extract of end user session token or login credentials. These may be used to access additional security-critical applications or conduct arbitrary cross-domain requests.

Affected products

• McAfee Policy Auditor: before 6.5.2 (fixed in 6.5.2)

Published 2021-11-23. Last modified 2026-06-17.