{keyword}' Union All Select Char(113)||char(122)||char(106)||char(112)||char(113)||char(70)||char(72)||char(69)||char(99)||char(109)||char(83)||char(72)||char(116)||char(121)||char(109)||char(120)||char(120)||char(80)||char(108)||char(72)||char(90)||char(8 -

: These functions convert ASCII numbers into characters. Attackers use this technique to bypass security filters that might block specific words like "admin" or "password."

Are you seeing this string in your , or are you currently testing a specific application for security gaps? : These functions convert ASCII numbers into characters

: This is the string concatenation operator in databases like PostgreSQL or Oracle , used to join the characters together. What the characters translate to: What the characters translate to: The first few

The first few characters CHAR(113)||CHAR(122)||CHAR(106)||CHAR(112)||CHAR(113) translate to . Attackers often use unique strings like this as "markers" to verify if the injection was successful. If the word qzjpq appears on the webpage after entering this string, they know the database is vulnerable. How to Protect Your Site How to Protect Your Site For more information

For more information on preventing these vulnerabilities, you can check out the SQL Injection Prevention Cheat Sheet from OWASP .