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Dynamic CSRF Injection for Multi-Stage Logins

Submitted by TheMekanic at 28-02-2026, 09:53 PM


DIAMOND Dynamic CSRF Injection for Multi-Stage Logins
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Bypass "Invalid Request" errors by fetching and injecting fresh security tokens before every POST.
Steps:
  1. Initial Handshake: Send a
    GET
    request to the landing page to receive the initial session cookies.
  2. Token Extraction: Use an
    LR
    block to find the hidden input field:
    name="_csrf" value="([^"]*)"
    .
  3. Buffer Injection: Pass that variable into the body of your
    POST
    request.
  4. Validation: Check if the token expires; some sites require a fresh token for the login and a separate one for the account dashboard.
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Dynamic CSRF Injection for Multi-Stage Logins - by TheMekanic - 28-02-2026, 09:53 PM


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