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JavaScript Injection Methods
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1. Basic Injection Techniques
The simplest form of JavaScript Injection involves identifying user input fields that directly
execute scripts. These are often unprotected or fail to validate input properly.
Steps:
A. Find a vulnerable input point such as a search bar or a URL parameter.
B. Inject simple payloads like:
<script>alert('Injected!');</script>

2. Bypassing Input Validation
Many applications implement input validation, but attackers can bypass these controls using
encoding techniques and obfuscation.
Steps:
A. Use encoded payloads to evade basic validation. Example:
%3Cscript%3Ealert('Injected')%3C%2Fscript%3E
B. Test obfuscated scripts. For example, instead of using the term "script," try variations like:
<scr<script>ipt>alert(1)</scr<script>ipt>
C. Experiment with nested payloads to manipulate dynamic JavaScript contexts.
Bypassing validation is often the first step toward more sophisticated attacks.
Stored Injection
Stored injection targets areas where user inputs are saved in databases and later rendered for
other users. This allows scripts to persist over time and affect multiple individuals.
Steps:


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