This vulnerability (CVE-2025-55618) involves an HTML injection (CWE-79) in the Hyundai Navigation App STD5W.EUR.HMC.230516.afa908d. An attacker can supply malicious HTML content in the profile name field, which the app subsequently renders, potentially leading to client-side code execution or other impacts associated with XSS vulnerabilities. The CVSS v3.1 base score is 7.3, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. No patch or remediation information is provided, and no known exploits in the wild are reported.

Successful exploitation could allow an attacker to execute arbitrary HTML or script code in the context of the navigation app, potentially leading to unauthorized information disclosure, modification of app data, or disruption of app availability. The vulnerability affects confidentiality, integrity, and availability as indicated by the CVSS vector.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution when entering or accepting profile names from untrusted sources. Monitor vendor communications for updates on patches or mitigations.