The presence of a numeric ID in the URL ( ?id=1 ) suggests that the server is interacting with a database. If the web developer did not properly sanitize or filter this input, it creates a massive security hole known as SQL Injection. How an Attack Works Imagine the backend PHP code looks like this:
SELECT * FROM products WHERE product_pk = 123 AND category_id = 1 inurl pk id 1
: The attacker uses the dork to find a page like ://example.com . The presence of a numeric ID in the URL (
: Competitors or malicious bots can easily write scripts to iterate through numerical IDs to scrape an entire database of products, pricing, or articles. : Competitors or malicious bots can easily write
: If these parameters are not properly "sanitized" by the website, an attacker can replace
: This tells Google to look for the letters "pk" within the website's URL. In database terms, often stands for Primary Key