The Mortgage Calculator BMI Adult & Kid Calculator up to version 1.2.2 suffers from a reflected XSS vulnerability due to improper input neutralization during web page generation. This vulnerability allows an attacker to inject malicious scripts that execute when a user interacts with crafted input, potentially leading to partial compromise of user data or session integrity. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and low impact on confidentiality, integrity, and availability.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to limited disclosure of information, manipulation of data, or disruption of service within the affected application context. The impact is rated low for confidentiality, integrity, and availability according to the CVSS vector provided.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided, users and administrators should monitor the vendor's communications for updates. Until a patch is available, avoid using untrusted input in the affected application and consider implementing web application firewall (WAF) rules to detect and block reflected XSS attempts if possible.