The vulnerability CVE-2025-47440 in Greg Winiarski's WPAdverts plugin arises from improper control over filenames used in PHP include or require statements. This flaw results in a Local File Inclusion (LFI) vulnerability, which can be exploited to include unauthorized files on the server. It affects WPAdverts versions up to 2.2.2. The CVSS 3.1 score is 7.5, indicating high severity, with attack vector network, high attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability.

Successful exploitation of this vulnerability can lead to disclosure of sensitive information, code execution, and disruption of service on affected systems running vulnerable versions of WPAdverts. The attacker requires only low privileges and no user interaction, but the attack complexity is high. There are no known exploits in the wild as of the published date.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor the vendor's communications for updates. Until a fix is available, consider restricting access to the affected plugin or disabling it if feasible to reduce risk.