---
title: "Top Ways Hackers Exploit Web Applications (and How to Prevent Them)"
url: https://daily.dev/posts/top-ways-hackers-exploit-web-applications-and-how-to-prevent-them--wl8y4r4q4
source_url: https://www.freecodecamp.org/news/how-hackers-exploit-web-applications-and-how-to-prevent-them/
type: article
source: "freeCodeCamp"
published: 2025-05-13T16:56:10.531Z
updated: 2025-05-13T16:56:24.868Z
tags: ["security", "webdev", "cyber", "authentication", "php"]
reading_time: 6
upvotes: 110
comments: 1
language: en
---

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# Top Ways Hackers Exploit Web Applications (and How to Prevent Them)

**[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · 6 min read · 110 upvotes · 1 comments

## Summary

Web applications, particularly those with user input, are susceptible to attacks like SQL injection, XSS, CSRF, and weak authentication. Developers can mitigate these risks by employing prepared statements for databases, escaping user inputs in HTML, using CSRF tokens, and enforcing strong authentication measures. Regularly updating libraries and ensuring secure configurations are crucial for protecting against vulnerabilities.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.freecodecamp.org/news/how-hackers-exploit-web-applications-and-how-to-prevent-them/>

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---

Tags: [#security](https://daily.dev/tags/security), [#webdev](https://daily.dev/tags/webdev), [#cyber](https://daily.dev/tags/cyber), [#authentication](https://daily.dev/tags/authentication), [#php](https://daily.dev/tags/php)

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