A stored cross-site scripting (XSS) vulnerability in the Management Console of BlackBerry UEM versions earlier than 12.10.0 could allow an…

published 2018-12-20 7y ago modified 2026-06-17 4mo ago also EUVD-2018-20496

cvss: 4.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

A stored cross-site scripting (XSS) vulnerability in the Management Console of BlackBerry UEM versions earlier than 12.10.0 could allow an attacker to store script commands that could later be executed in the context of another Management Console administrator.

Patch / fix

fixed in 1

blackberry unified_endpoint_manager 12.10.0

Is CVE-2018-8888 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	4.8	CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

BlackBerry BlackBerry UEM

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

support.blackberry.com /kb/articleDetail?articleNumber=000054162
mitigation, vendor-advisory

Sources

CVE List CVE-2018-8888
NVD CVE-2018-8888

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.