CVE-2018-8891

Severity: medium (CVSS 4.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-12-20 · updated 2026-06-17
Weakness: CWE-79

Description

Multiple stored cross-site scripting (XSS) vulnerabilities in the Management Console of BlackBerry UEM versions earlier than 12.9.1 could allow an attacker to store script commands that could later be executed in the context of another Management Console administrator.

Affected products

BlackBerry Unified Endpoint Manager: before 12.9.1 — fixed in 12.9.1

How to fix

Upgrade to a fixed version: BlackBerry Unified Endpoint Manager 12.9.1. Check the vendor advisory for mitigations.

References

http://support.blackberry.com/kb/articleDetail?articleNumber=000054162
http://support.blackberry.com/kb/articleDetail?articleNumber=000054162

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