Id=1 .pk !!exclusive!! — Inurl

Putting it all together, inurl:id=1 .php could be a search query used to find URLs that have a parameter id=1 and are related to PHP files. This could be used for various purposes, such as:

are often used to automate the process of testing these URLs for vulnerabilities once they are discovered via Google. CVE: Common Vulnerabilities and Exposures inurl id=1 .pk

Because developers often use insecure code like: Putting it all together, inurl:id=1