The file extension image.php.jpeg is a classic example of a . Attackers use this to bypass security filters on websites that allow file uploads.
: A script (e.g., image.php ) fetches data, processes an image resource, and sends a header like Content-Type: image/jpeg to the browser. image.php.jpeg
: The "image" could contain a Web Shell , allowing an attacker to run commands on the server. Common PHP Image Functions The file extension image
: 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) : The "image" could contain a Web Shell
In standard web development, a PHP file can act as an image. By using the PHP GD Library , developers can create, resize, or watermark images on the fly.
If you are writing a script to handle these files, you will likely use these Official PHP Manual functions: imagejpeg - Manual - PHP