This confirms a high-severity vulnerability that could allow attackers to bypass authentication, read sensitive data, or modify database contents.
: This attempts to prematurely close the original, legitimate SQL query statement intended by the developers [2].
Malicious use of SLEEP() can lead to Denial of Service (DoS) by overloading the database with connection requests [3]. How to Prevent This Attack {KEYWORD}');SELECT SLEEP(5)#
To help you further, are you asking about this to in your own code, or for security testing/research ? AI responses may include mistakes. Learn more
This string is a classic example of a , specifically targeting databases like MySQL or MariaDB to identify vulnerabilities [1, 2]. This confirms a high-severity vulnerability that could allow
: This represents the legitimate input field or parameter in a web application (e.g., a search box, user ID field, or URL parameter) [1].
If the payload works, an attacker can replace SLEEP(5) with more complex queries (e.g., IF(SUBSTRING((SELECT password FROM users),1,1)='a', SLEEP(5), 0) ) to extract data character-by-character based on whether the server pauses [3]. Security Implications How to Prevent This Attack To help you
Ensure the database user account used by the web application has limited permissions.