Image.php.jpeg

: The "image" could contain a Web Shell , allowing an attacker to run commands on the server. Common PHP Image Functions

If you are writing a script to handle these files, you will likely use these Official PHP Manual functions: imagejpeg - Manual - PHP image.php.jpeg

: A security filter might only check the last extension ( .jpeg ) and assume the file is a safe image. However, if the web server (like Apache) is misconfigured, it might execute the file as a PHP script because it sees the .php part. : The "image" could contain a Web Shell

: A script (e.g., image.php ) fetches data, processes an image resource, and sends a header like Content-Type: image/jpeg to the browser. : A script (e

: Sometimes, developers append .jpeg to the end of a .php file (resulting in image.php.jpeg ) to trick some browsers or systems into treating the file as a static image while it remains an executable script. Security Risks (File Upload Vulnerabilities)