: This command instructs the database to combine the results of the original query with a new, unauthorized query.
: Only allow expected characters and formats (e.g., if you expect a number, don't allow symbols or letters). : This command instructs the database to combine
If you are seeing this in your logs or are looking to secure your application, you should: if you expect a number
: This is a placeholder for a legitimate search term or ID that the database expects. : This command instructs the database to combine
: The attacker is using string concatenation (the || symbols) to output a specific, unique string of characters. If this string appears on the webpage, it proves to the attacker that the site is vulnerable.