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CVE-2026-18084 is a cross-site scripting vulnerability in the BlackBerry UEM Management Console. The flaw is caused by improper neutralization of user-controllable input during web page generation, specifically involving the time zone parameter before it is rendered in page output. An attacker can inject malicious script content that executes in a victim administrator's browser when the affected console page is viewed. The issue affects BlackBerry UEM 12.23.0 QF8 or earlier, and reporting also indicates 12.22.1 QF7 and earlier are affected.
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A high-severity cross-site scripting vulnerability in the BlackBerry UEM Management Console that allows an unauthenticated remote attacker to inject malicious JavaScript via the time zone parameter, leading to execution in an authenticated administrator's browser session and possible console takeover.
A cross-site scripting vulnerability in the BlackBerry UEM Management Console affecting BlackBerry UEM, caused by improper neutralization of input during web page generation.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.