8.2
HIGH CVSS 3.1
CVE-2026-26723
Key Systems Inc Global Facilities Management Software XSS
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.

INFO

Published Date :

Feb. 20, 2026, 5:25 p.m.

Last Modified :

Feb. 26, 2026, 5:55 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-26723 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Keystorage global_facilities_management_software
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Sanitize user inputs in the 'function' parameter to prevent arbitrary code execution.
  • Validate and sanitize all data submitted to the 'function' parameter.
  • Implement output encoding for all user-supplied data.
  • Update software to the latest secure version.
Public PoC/Exploit Available at Github

CVE-2026-26723 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-26723.

URL Resource
https://github.com/chndlrx/vulnerability-disclosures/tree/main/CVE-2026-26723 Exploit Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-26723 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-26723 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Public disclosures of software vulnerabilities discovered and responsibly reported by Chandler Johnson. Includes CVEs, technical writeups, and proof-of-concepts.

appsec authentication-bypass csrf cve disclosure exploit github mitre owasp penetration-testing poc public rce remote-code-execution script sql-injection vulnerability vulnerable writeups xss

Python HTML JavaScript

Updated: 2 weeks, 6 days ago
0 stars 0 fork 0 watcher
Born at : Sept. 19, 2025, 11:08 p.m. This repo has been linked 10 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-26723 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-26723 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 26, 2026

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:keystorage:global_facilities_management_software:20230721a:*:*:*:*:*:*:*
    Added Reference Type MITRE: https://github.com/chndlrx/vulnerability-disclosures/tree/main/CVE-2026-26723 Types: Exploit, Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 23, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
    Added CWE CWE-79
  • New CVE Received by [email protected]

    Feb. 20, 2026

    Action Type Old Value New Value
    Added 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.
    Added Reference https://github.com/chndlrx/vulnerability-disclosures/tree/main/CVE-2026-26723
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.