Sql+injection+challenge+5+security+shepherd+new _top_ -

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"SELECT itemId, perCentOff, itemName FROM vipCoupons JOIN items USING (itemId) WHERE couponCode = '" + couponCode + "';" sql+injection+challenge+5+security+shepherd+new

No result. Try 'b'? No. 'c'? The page returned the normal "No results found" – wait, that was different. For 'c', the page showed an empty result set but no error . For 'a' and 'b', it threw a generic error. That was her boolean oracle: No other data is displayed on the page

: Enforce strict allow-lists for expected data types (e.g., ensuring an ID is always an integer). that was different. For 'c'