{keyword}';waitfor Delay '0:0:5'-- May 2026
: Use prepared statements so the database treats input as data, never as executable code.
: Strict allow-listing of expected characters can prevent special symbols like ; or -- from reaching the query.
: Depending on permissions, SQL injection can lead to complete control over the database server. Mitigation Strategies 💡 Always treat user input as untrusted. {KEYWORD}';WAITFOR DELAY '0:0:5'--
: An attacker could use a much longer delay or a loop to tie up database connections, effectively performing a Denial of Service (DoS) attack.
: This is a specific T-SQL (Microsoft SQL Server) command. It instructs the database engine to pause execution for exactly 5 seconds before returning a response. : Use prepared statements so the database treats
: In many modern systems, database errors are hidden from the user. An attacker cannot see "Success" or "Error" messages.
This specific payload is used for rather than data theft. Why Use a Delay? Mitigation Strategies 💡 Always treat user input as
The string you provided, {KEYWORD}';WAITFOR DELAY '0:0:5'-- , is a classic example of a payload designed to test for "Time-Based Blind SQL Injection" vulnerabilities. Technical Breakdown