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As suggested in another answer here, you could set $_GET['q'] to 1; DELETE FROM users; -- so that the query forms two statements which get executed consecutively, the second of which deletes everything in the users table.
SELECT distinct(db) FROM mysql.db — priv: List Columns: SELECT table_schema, table_name, column_name FROM information_schema.columns WHERE table_schema != ‘mysql’ AND table_schema != ‘information_schema’ List Tables
Use our SQL Injection Cheat Sheet to learn about the different variants of the SQL injection vulnerability. In this cheat sheet you can find detailed technical information about SQL injection attacks against MySQL, Microsoft SQL Server, Oracle and PostgreSQL SQL servers.
2 Νοε 2020 · SQL Injection is a well-known technique used to attack SQL-based applications. In this article, we’ll focus on examples showing how you could exploit database vulnerabilities using this technique, while in the next article we’ll talk about ways how you can protect your application from such attacks.
With PHP/MySQL application can allow for query stacking if you use the mysqli::multi_query() or mysqli_multi_query() functions. You can exploit these systems using sub-select, union-selects, blind sql injection, into outfile, or loadfile().
Show table properties and columns: INSERT INTO table_name VALUES (value_1,..) Add values to table: INSERT INTO table_name(column2, ...) VALUES (column2_value, ..) Add values to specific columns in a table: UPDATE table_name SET column1=newvalue1, ... WHERE : Update table values: Columns: SELECT * FROM table_name: Show all columns in a table
As SQL injections can loosely be grouped into three categories, union based, error based (XPath and double query) and inferential (time based and boolean), I have listed them as such. Below you will find MySQL specific syntax whilst I will post my MSSQL cheat sheet shortly.