CVE-2025-57148 is an arbitrary file upload vulnerability in phpgurukul Online Shopping Portal 2.0, specifically in the /admin/insert-product.php script. The vulnerability arises from the lack of validation on uploaded file extensions, allowing attackers with administrative privileges to upload malicious files. This can result in full system compromise, including unauthorized code execution and data breach. The CVSS 3.1 base score is 9.1 (AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H), reflecting network attack vector, low attack complexity, required high privileges, no user interaction, and complete impact on confidentiality, integrity, and availability. No patch or vendor advisory is currently available, and the affected versions are unspecified.

Successful exploitation allows an attacker with administrative privileges to upload arbitrary files, potentially leading to remote code execution, data theft, and system disruption. The vulnerability impacts confidentiality, integrity, and availability at a critical level. No known exploits are reported in the wild yet.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict administrative access to trusted users only and monitor for suspicious file uploads. Avoid exposing the vulnerable endpoint to untrusted networks. Implement manual validation or filtering of uploaded files if possible.