CVE-2026-34497

EUVD-2026-51590
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Johnson Controls FM Systems Employee allows Cross-Site Scripting (XSS).

This issue affects FM Systems Employee: before 2025.3.1.
Basic XSS
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 3.51%
Affected Products (NVD)
VendorProductVersion
johnsoncontrolsfms_employee
𝑥
≤ 2025.3.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories