Adding the project for code injection and XSS vulnerability testing

This project is designed to help developers understand and mitigate code injection and XSS vulnerabilities. It includes a backend API and a frontend interface for testing various attack vectors in a controlled environment.

backend/src/api/controller/controller.js

@@ -0,0 +1,16 @@
+const db = require("../../query/database");
+
+const loginUser = async (username, password) => {
+  const user = await db.loginUser(username, password);
+  return user;
+};
+
+const executeJS = (code) => {
+  const result = db.executeCode(code);
+  return result;
+};
+
+module.exports = {
+  loginUser,
+  executeJS,
+};