The vulnerability CVE-2025-23672 affects tenteeglobal Instant Appointment (versions up to 1.2) and is classified as a reflected cross-site scripting (XSS) issue. It results from improper neutralization of input during web page generation, enabling attackers to inject and execute malicious scripts in the context of a victim's browser. The CVSS 3.1 base score is 7.1, indicating high severity, with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No patch or official remediation guidance is currently available.

Successful exploitation of this vulnerability allows an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to theft of user credentials, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability. The reflected nature requires user interaction to trigger the attack. No known exploits have been reported in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution with untrusted input and consider implementing web application firewall (WAF) rules to detect and block reflected XSS attempts. Monitor vendor channels for updates and patches.