For instance, if the attacker types the following in the username field: ... This payload is injecting an always true statement into the username field and comment the rest SQL query.

OAST payloads designed to trigger an out-of-band network interaction when executed within a SQL query, and monitor any resulting interactions. Alternatively, you can find the majority of SQL injection vulnerabilities quickly and reliably using Burp Scanner.

This SQL injection cheat sheet is a cybersecurity resource with detailed technical information and attack payloads to test for different types of SQL injection (SQLi) vulnerabilities caused by insufficient user input validation and sanitization.

This repository is a comprehensive collection of SQL Injection Payloads designed for educational, research, and testing purposes.

August 18, 2025 - In a typical injection flow, user-supplied values from form fields, URL parameters, or headers are concatenated into a query string. For example: SELECT * FROM products WHERE id = '" + userInput + "'; ... That second condition, 1=1, is always true.

August 10, 2025 - SQL Injection represents a web security vulnerability which allows attackers to view data that they should not be able to, by allowing the attacker to interfere with the queries that an application makes to its database by injecting malicious ...

For instance, if the attacker types the following in the username field: ... This payload is injecting an always true statement into the username field and comment the rest SQL query.

Additionally, you can inject a payload in the password field while using the correct username to target a specific user. ... ⚠️ Avoid using this payload indiscriminately, as it always returns true. It could interact with endpoints that may inadvertently delete sessions, files, configurations, or database data. PayloadsAllTheThings/SQL Injection/Intruder/Auth_Bypass.txt

This repository is a comprehensive collection of SQL Injection Payloads designed for educational, research, and testing purposes.

The attacker injects SQL fragments that manipulate query logic. For example: username=admin'-- alters the query from: SELECT * FROM users WHERE username = '$input' to: SELECT * FROM users WHERE username = 'admin'--' Depending on the attacker's objective, the payload may be crafted to bypass authentication, extract data (UNION SELECT), infer database structure (error-based or blind injection), or interact with the underlying system via stored procedures or file system access.

August 12, 2025 - Have you ever noticed an error, strange behaviour or inconsistent response times after submitting unexpected characters or timing-based payloads? Those quirks are your first hint that an endpoint might be injectable. In the modified query below, A hunter sets username = 'z' (so likely false) and appends an OR 1=1 clause that is always true, followed by a comment sequence that ignores the rest of the statement, thereby bypassing the token check: 1SELECT * FROM users WHERE username = 'z' OR 1=1 -- -' AND token = 'sometoken'; This modifies the original SQL query structure, making the WHERE clause always evaluate to true.

In a time-based blind SQL injection attack, an attacker injects a payload that uses WAITFOR DELAY to make the database pause for a certain period.

By entering a payload for both username and password such as: ... The condition ‘1’=’1′ always evaluates as true, allowing the attacker to bypass authentication entirely. This grants unauthorized access to restricted areas of the application, potentially leading to data breaches or system compromise. UNION-based SQL Injection leverages the UNION operator to combine results from multiple queries, enabling attackers to extract data from unrelated tables.

August 21, 2024 - There are different types of SQL Injections, and the payloads used to exploit this vulnerability vary for each type. SQL databases are typically built using systems like MySQL, MariaDB, Oracle, and others, with various payloads available to exploit different databases.

In the GBK character set, the sequence �\ translates to the character 連. So, the SQL query becomes: SELECT * FROM users WHERE id='1連'' LIMIT 0,1. Here, the wide byte character 連 effectively "eating" the added escape character, allowing for SQL injection. Therefore, by using the payload ?id=1�' and 1=1 --+, after PHP adds the backslash, the SQL query transforms into: SELECT * FROM users WHERE id='1連' and 1=1 --+' LIMIT 0,1.

Injecting the payload 1' and 1=1;- - results in a true condition because 1 is a valid ID and the '1=1' is a TRUE statement. So the output informs that the ID exists in the database. Alternatively, feeding the payload 1' and 1=2;- - results in a false condition because 1 is a valid user ID and 1=2 is false. Thus, you’re informed that the user ID does not exist in the database. The scenario above points to the chance of a blind SQL injection attack taking place.

In an inferential SQLi attack, no data is actually transferred via the web application and the attacker would not be able to see the result of an attack in-band (which is why such attacks are commonly referred to as “blind SQL Injection attacks”). Instead, an attacker is able to reconstruct the database structure by sending payloads, observing the web application’s response and the resulting behavior of the database server.

March 5, 2025 - In an inferential SQLi attack, no data is actually transferred via the web application and the attacker would not be able to see the result of an attack in-band (which is why such attacks are commonly referred to as “blind SQL Injection attacks”). Instead, an attacker is able to reconstruct the database structure by sending payloads, observing the web application’s response and the resulting behavior of the database server.

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