The vulnerability CVE-2025-69400 in ThemeREX Yokoo arises from improper validation or control of filenames used in PHP include or require statements. This flaw allows an attacker to perform Local File Inclusion (LFI), which can lead to disclosure of sensitive files, code execution, or denial of service. The affected versions include all releases up to 1.1.11. The CVSS v3.1 base score is 8.1, indicating high severity with network attack vector, high attack complexity, no privileges required, no user interaction, and impacts to confidentiality, integrity, and availability. No patch or vendor advisory is currently available to confirm remediation status.

Successful exploitation of this vulnerability can lead to local file inclusion on the affected server, potentially exposing sensitive information, enabling remote code execution, or causing denial of service. The CVSS score of 8.1 reflects a high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider disabling or restricting the vulnerable functionality if possible and apply general PHP security best practices to limit exposure. Monitor official ThemeREX channels for updates regarding patches or mitigations.