SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8891

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…

MEDIUM 4.8EPSS 0.51%

Does this matter?

Lower severity and a low EPSS score (0.51%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0
4.8 MEDIUMCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS
0.51% probability · 43th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
blackberry/unified endpoint manager
Source
secure@blackberry.com
EPSS trend
0%3%5%27 October 2026: 0.51%27 October 202627 October 2026

EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.