CVE-2026-34495CWE-79cross-site-scripting

CVE-2026-34495

Medium · published July 31, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
13.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00234 · 13.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-07-31T22:17Z
Affected products (1)
ProductVersionsFixed in
johnsoncontrols/fms_employee≤ 2025.3.1—
References (1)
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories · [email protected]
EPSS history
Timeline
  • 31 JUL 17:30Z
    FMS Employee vulnerable to XSS
    cvelistv5