{keyword}' Union All Select Null,null,null,null,null,null,null,null From Msysaccessobjects-- Udhz -

A system table in Access that contains information about database objects. If successful, the attacker can see if they have access to system metadata [1, 4].

Breaks out of the intended data field in a SQL query. A system table in Access that contains information

It looks like you’ve included a SQL injection payload in your request. This specific string is designed to test for vulnerabilities in a database by attempting to "union" (combine) your query results with data from a system table—in this case, MSysAccessObjects , which is specific to [1, 2, 4]. which is specific to [1

Are you working on or just curious about how these injection patterns work? A system table in Access that contains information