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NodeJS Open Redirect Guide: Examples and Prevention

Blog post from StackHawk

Post Details
Company
Date Published
Author
StackHawk
Word Count
2,100
Company Posts That Month
8
Language
English
Hacker News Points
-
Post removed?
No
Summary

The text explores the concept of open redirect vulnerabilities, which occur when a website's URL redirection feature can be manipulated by users, potentially leading to phishing attacks. It explains that such vulnerabilities allow attackers to redirect users to malicious websites that mimic trusted ones, posing risks of credential theft. The document provides a practical example using a Node.js application, demonstrating how an attacker could exploit this vulnerability. It further discusses various mitigation strategies, including removing the redirect feature, using an allowlist of acceptable redirect paths, and ensuring redirections remain within the same domain. These methods aim to enhance security by controlling where a user can be redirected, thereby reducing the risk of exploitation.

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