Vulnerability · Published Jul 31, 2026 · Assigned by jci
CVE-2026-34497FMS Employee Vulnerable to HTML Injection
Medium 4.8
In plain English
A medium-severity security flaw in FM Systems Employee from Johnson Controls. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 4.0)4.8Medium
Exploit odds (30 days)0.2%top 85.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Johnson Controls | FM Systems Employee | 0 – before 2025.3.1 |
Weakness: CWE-80 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N