CVE-2026-34497

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.

Published: 7/31/2026Modified: 7/31/2026

Related Intelligence (1)

CRITICALPhishing

Johnson Controls OpenBlue Employee

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-02.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>Successful exploitation of these vulnerabilities could allow an attacker to upload malicious files, execute stored cross-site scripting attacks, or inject arbitrary HTML content.</strong></p> <p>The following versions of Johnson Contr

CVE-2026-21662CVE-2026-34495
CISA Advisories

References (1)

https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories