Day 5 of 30 Days — 30 Vulnerabilities | Open Redirects

Day 5: Mastering Open Redirects — Essential Tricks & Techniques Based on Personal Experience and Valuable POCs

[ In collaboration with Abhijeet Kumawat ( his LinkedIn | Twitter)]

Hey geeks, it4chis3c (Twitter) here with one more write-up on tricks & tips to detect Open Redirect vulnerability.

Brief Description

An Open Redirect vulnerability allows an attacker to redirect users to an untrusted website of the attacker’s choice. This is typically done by manipulating parameters in URLs that the application uses to redirect users. The primary danger lies in phishing attacks, where a user is tricked into visiting a malicious site that appears legitimate due to the trusted domain in the initial URL.

Where to Detect

Open Redirect vulnerabilities can be found in various parts of a web application, including:

1. Login Pages: Redirecting users to their intended destination post-login.
2. Error Pages: Redirecting users to error-specific pages.
3. Parameter Handling: URLs that include redirection parameters for handling post-transaction navigation.
4. Marketing or External Links: Redirecting users to promotional or external websites.

How to Detect

To detect Open Redirect vulnerabilities, follow these steps: