This vulnerability in cedcommerce Product Lister for eBay arises from improper validation of filenames used in PHP include or require statements, leading to PHP Local File Inclusion. Affected versions include all up to and including 2.0.9. The CVSS 3.1 base score is 7.5, reflecting network attack vector, high complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. No patch or official remediation guidance is currently provided. The product is not a cloud service, so remediation depends on vendor or user action.

Successful exploitation could allow an attacker to include local files on the server, potentially leading to arbitrary code execution, data disclosure, or denial of service. The high CVSS score indicates serious impact on confidentiality, integrity, and availability of the affected system. No known exploits are currently reported, but the vulnerability presents a significant risk if exploited.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider restricting access to the affected application, applying web application firewall rules to detect and block suspicious include/require requests, and monitoring for unusual activity. Avoid exposing the affected application to untrusted networks or users. Follow vendor channels for updates on patches or mitigations.