-5676') Union All Select 34# -

: Validate that the data matches the expected format (e.g., only numbers for an ID).

: A placeholder value to test if the database returns the number "34". -5676') UNION ALL SELECT 34#

: Never concatenate user input directly into SQL strings. : Validate that the data matches the expected format (e

: Ensure the database user has only the permissions necessary to run the app. -5676') UNION ALL SELECT 34#

: Combines the original query results with a new set of data.

The difference between and Boolean-based injection Other OWASP Top 10 vulnerabilities