Attackers frequently employ various techniques to abuse UNION SQL injection weaknesses. A common approach involves locating the number of columns returned by the original query, often through error-based approaches or stealthy discovery. Once the number is determined, harmful SQL code can be crafted to merge the results of the original query with d

Union-based SQL injection represents a particularly dangerous attack vector, allowing malicious actors to combine the results of multiple query statements into a single output. The exploitation typically involves crafting SQL queries that utilize the UNION operator to join data from unauthorized tables or even entirely different databases. This can