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fix(security): add CSRF protection to contact form (#42)
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- Generate CSRF token (32 bytes) on GET requests
- Add hidden csrf_token field to contact form
- Validate token with hash_equals() (timing-safe) on POST
- Reject invalid/missing tokens with user-friendly error

Fix #42
This commit is contained in:
Claw (KI-Assistent)
2026-05-21 23:05:51 +00:00
parent 36b5639801
commit a919a392cc
2 changed files with 14 additions and 0 deletions
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app/views/home/index.php
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@@ -434,6 +434,7 @@
</div>
<?php endif; ?>
<form id="contactForm" method="post">
<input type="hidden" name="csrf_token" value="<?= htmlspecialchars($_SESSION['csrf_token'] ?? '') ?>" />
<div class="form-row">
<div class="form-field">
<label for="fname">Vorname</label>