This vulnerability in Mikado-Themes Overton arises from improper validation or control of filenames used in PHP include or require statements, leading to a PHP Local File Inclusion issue. Affected versions include all releases up to and including 1.3. The vulnerability could allow an attacker to include local files on the server, potentially leading to arbitrary code execution or disclosure of sensitive information. The CVSS v3.1 base score is 8.1, reflecting high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is provided, and the product is not a cloud service.

Successful exploitation of this vulnerability could result in an attacker executing arbitrary code on the affected system or accessing sensitive files, compromising confidentiality, integrity, and availability. The high CVSS score (8.1) reflects these serious impacts. However, no known exploits have been reported in the wild so far.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting access to the vulnerable application and carefully validate or sanitize any user input that could influence file inclusion. Monitor vendor channels for updates and apply patches promptly once available.