COMMAX Biometric Access Control System 1.0.0 Reflected XSS via Cookie Parameters

Advisories

severity: medium
date: December 31, 2025
Affecting: COMMAX Biometric Access Control System 1.0.0
CVE: CVE-2021-47743
CWE: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS: 5.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
References: Zero Science Lab Disclosure (ZSL-2021-5660)
Packet Storm Security Exploit Entry
IBM X-Force Vulnerability Exchange
CXSecurity Vulnerability Database Entry
Vendor Homepage
Credit: LiquidWorm as Gjoko Krstic of Zero Science Lab
Description: COMMAX Biometric Access Control System 1.0.0 contains an unauthenticated reflected cross-site scripting vulnerability in cookie parameters 'CMX_ADMIN_NM' and 'CMX_COMPLEX_NM'. Attackers can inject malicious HTML and JavaScript code into these cookie values to execute arbitrary scripts in a victim's browser session.