{keyword}' Union All Select: Null,null,null,char(113)||char(122)||char(106)||char(112)||char(113)||char(114)||char(87)||char(120)||char(118)||char(109)||char(100)||char(76)||char(120)||char(70)||char(80)||char(78)||char(120)||char(83)||char(78)||char(104)||

: This command attempts to combine the results of the original search (for a keyword) with a new set of data defined by the attacker.

The query you've provided is an example of an string, specifically a Union-based SQLi . : This command attempts to combine the results

This type of string is typically entered into a search bar or login field to trick a database into revealing hidden information. : This command attempts to combine the results