{keyword}) Union All Select Null,null,null,null,null,null,null# (Easy · 2025)

The string provided— topic: {KEYWORD}) UNION ALL SELECT NULL,NULL,NULL,NULL,NULL,NULL,NULL# —represents a common payload used in a . In the world of cybersecurity, this payload tells a "story" of an attacker attempting to map out a hidden database. The Story: Mapping the Invisible

Imagine an attacker finds a vulnerable search bar on a website that looks for a "topic." Behind the scenes, the website takes the user's input and plugs it into a database query. The string provided— topic: {KEYWORD}) UNION ALL SELECT