CVE-2020-7303: DLP ePO extension - Cross-site scripting

Severity: medium (CVSS 4.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-08-13 · updated 2026-06-17
Weakness: CWE-79

Description

Cross Site scripting vulnerability in McAfee Data Loss Prevention (DLP) ePO extension prior to 11.5.3 allows authenticated remote user to trigger scripts to run in a user's browser via adding a new label.

Affected products

McAfee Data Loss Prevention(DLP): from 11.3.0 before 11.3.28; from 11.4.0 before 11.4.200; from 11.5.0 before 11.5.3 — fixed in 11.3.28, 11.4.200, 11.5.3

How to fix

Upgrade to a fixed version: McAfee Data Loss Prevention(DLP) 11.3.28, 11.4.200, 11.5.3. Check the vendor advisory for mitigations.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10326
https://kc.mcafee.com/corporate/index?page=content&id=SB10326

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