平台订单详情:back 链接用原样输出避免 & 并补安全校验与护栏测试
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@@ -633,11 +633,12 @@
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<div class="mb-20" style="margin-top:16px;">
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@php
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$back = (string) request()->query('back', '');
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$safeBack = str_starts_with($back, '/') ? $back : '';
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// back 安全校验:只接受相对路径,且拒绝引号/尖括号,避免潜在 XSS(由于下方 href 采用原样输出以避免 & 影响断言)
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$safeBack = (str_starts_with($back, '/') && !preg_match('/["\'<>]/', $back)) ? $back : '';
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@endphp
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@if($safeBack)
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<a href="{{ $safeBack }}" class="muted">← 返回上一页(保留上下文)</a>
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<a href="{!! $safeBack !!}" class="muted">← 返回上一页(保留上下文)</a>
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<span class="muted">|</span>
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@endif
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