CVE-2026-26723 Cross-site scripting in n/a

High 8.2 Published 20 Feb 2026 Updated 23 Feb 2026

A remote attacker can execute arbitrary code via a cross-site scripting vulnerability in the function parameter of Global Facilities Management Software.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-26723?

CVE-2026-26723 is a high-severity cross-site scripting vulnerability in n/a, published on 20 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting vulnerability in Key Systems Inc Global Facilities Management Software v. 20230721a allows a remote attacker to execute arbitrary code via the function parameter.

Weakness: CWE-79

Which versions are affected by CVE-2026-26723?

It affects 1 product.

Products include Keystorage Global Facilities Management Software.

How do I fix CVE-2026-26723?

No fix has been published for CVE-2026-26723 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-26723 being exploited?

There is no known exploitation of CVE-2026-26723 in the wild and no public exploit code.

Sources

Also known as GHSA-8x43-j6j7-q6vg.