{keyword} Union All Select Null,null,null,null-- Uizf File

: In some cases, these injections can be used to log in without a valid password.

: This command tells the database to combine the results of the original query with a new "injected" query. {KEYWORD} UNION ALL SELECT NULL,NULL,NULL,NULL-- Uizf

If you found this in a "complete report" (such as a security scan or a web server log), it indicates that an automated tool or a manual actor has the system. : In some cases, these injections can be