Comments out the rest of the original query so it doesn't cause a syntax error [1, 5]. How to Prevent It:
A system table in Access that contains information about database objects. If successful, the attacker can see if they have access to system metadata [1, 4]. Comments out the rest of the original query
Appends a new set of results to the original query [2, 5]. Appends a new set of results to the original query [2, 5]
This is the gold standard. It treats user input as literal text, not executable code [6]. Are you working on or just curious about
Are you working on or just curious about how these injection patterns work?
If you are looking to learn about this for security research or to protect your own applications, here is a quick guide on what’s happening and how to prevent it. What this payload does:
Breaks out of the intended data field in a SQL query.