Fms Employee CVEs and Security Vulnerabilities

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CVE-2026-21662

FMS Employee Allows Upload of Unrestricted Files

Unrestricted upload of file with dangerous type vulnerability in Johnson Controls FM Systems Employee allows Using Malicious Files. This issue affects FM Systems Employee: before 2025.3.1.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Johnson Controls Johnsoncontrols

Products

Fm Systems Employee Fm Systems Employee Fms Employee

CVE-2026-34495

FMS Employee vulnerable to XSS

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Johnson Controls FM Systems Employee allows Stored XSS. This issue affects FM Systems Employee: before 2025.3.1.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Johnson Controls Johnsoncontrols

Products

Fm Systems Employee Fm Systems Employee Fms Employee

CVE-2026-34497

FMS Employee Vulnerable to HTML Injection

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.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed

Vendors

Johnson Controls Johnsoncontrols

Products

Fm Systems Employee Fm Systems Employee Fms Employee

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