The application should verify that the input id is exactly what is expected. If id should be a number, the code should reject anything containing letters or special characters.
if (filter_var($_GET['id'], FILTER_VALIDATE_INT) === false)
die("Invalid ID");
The inurl: operator is an advanced search command supported by Google and other search engines. It restricts search results to only those pages that contain a specific word or phrase within their URL string. inurl indexphpid upd
Many amateur developers store database management interfaces in predictable locations. The upd dork sometimes returns results like: The application should verify that the input id
This indicates that the ID parameter controls which database table is being updated, a severe misconfiguration. The inurl: operator is an advanced search command