{keyword} Union All Select Null,null,null-- Djgp May 2026

If you’ve spent any time looking at server logs, you’ve probably seen it: a weird string of keywords like UNION ALL SELECT NULL . It looks like gibberish, but it’s actually an attempt to speak directly to your database behind your back. What is this string?

: This is SQL shorthand to comment out the rest of the legitimate code, ensuring the injected command runs cleanly. The "DJGP" Element {KEYWORD} UNION ALL SELECT NULL,NULL,NULL-- DJGP

You don’t have to be a security wizard to stop this. The "Golden Rule" of modern web dev is simple: If you’ve spent any time looking at server