The workshop-application handler assigned $_POST['hidden_id'] straight into $app['user_id'], which is then concatenated unescaped into two SELECT statements (user_id=" . $app['user_id']). An attacker could inject SQL through the hidden_id POST field. user_id is a numeric key everywhere else in this same file (e.g. line 89 already uses (int)$_POST['user_id']); applying the same (int) cast closes the injection with no behaviour change. Assisted-by: claude-code@claude-opus-4-8 |
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