This specific file name and parameter string ( add-cart.php?num= ) are frequently cited in "Google Dorks" or lists used for identifying common web application paths for testing vulnerabilities. Security researchers and developers use these patterns to locate scripts that might be susceptible to if the num parameter is not properly sanitized or bound before being used in a query. A Shopping Cart using PHP Sessions - PHP Web Applications
if ($product_id <= 0) die("Invalid product ID");
The file add-cart.php is a server-side script responsible for processing a user's request to add a product to their cart. The num parameter typically serves one of two purposes: add-cart.php num
A classic SQL injection vulnerability exists when the script directly concatenates user input into a database query without proper sanitisation.
<?php session_start(); require 'db.php'; // assume DB connection and helper functions This specific file name and parameter string ( add-cart
…you will build a cart system that is not only functional but also resilient against the most common attacks.
if ($quantity > 999) $quantity = 999; // enforce max The num parameter typically serves one of two
Because the num parameter is not parameterized, the attacker can extract the entire database.
While num usually refers to quantity, sometimes vulnerabilities in add-cart.php allow the user to modify the price parameter alongside the quantity.
In the realm of web application security, few vulnerabilities are as financially impactful as those affecting e-commerce logic. The phrase add-cart.php num is often associated with a classic Parameter Tampering attack. It represents a scenario where a malicious user manipulates the quantity or price of an item in their shopping cart to pay less than the intended price.