shell bypass 403
<div class="email-option-row">
<div class="email-option-desc">
<label for="wpmtst-option-email-subject">
<?php esc_html_e( 'Subject', 'strong-testimonials' ); ?>
</label>
</div>
<div class="email-option-inputs">
<div class="email-option body">
<input class="wide"
type="text"
id="wpmtst-option-email-subject"
name="wpmtst_form_options[email_subject]"
value="<?php echo esc_attr( $form_options['email_subject'] ); ?>"
placeholder="<?php esc_html_e( 'subject line', 'strong-testimonials' ); ?>"
size="50">
</div>
</div>
</div>
<div class="email-option-row">
<div class="email-option-desc">
<label for="wpmtst-option-email-message">
<?php esc_html_e( 'Message', 'strong-testimonials' ); ?>
</label>
</div>
<?php $line_count = max( count( explode( "\n", $form_options['email_message'] ) ), 3 ); ?>
<div class="email-option-inputs">
<div class="email-option body">
<textarea class="autosize"
id="wpmtst-option-email-message" name="wpmtst_form_options[email_message]"
rows="<?php echo esc_attr( $line_count ); ?>"
placeholder="<?php esc_html_e( 'message text', 'strong-testimonials' ); ?>"><?php echo esc_attr( $form_options['email_message'] ); ?></textarea>
</div>
</div>
</div>
<div class="email-option-row column no-padding">
<div class="template-tags-help">
<div class="title"><?php esc_html_e( 'Tags for Subject and Message', 'strong-testimonials' ); ?></div>
<div class="content">
<ul id="wpmtst-tags-list">
<li>%BLOGNAME%</li>
<li>%TITLE%</li>
<li>%CONTENT%</li>
<li>%STATUS%</li>
<li>%SUBMIT_DATE%</li>
<?php
$custom_fields = wpmtst_get_custom_fields();
foreach ( $custom_fields as $field ) {
echo '<li>%' . esc_html( strtoupper( $field['name'] ) ) . '%</li>' . "\n";
}
?>
</ul>
</div>
</div>
</div>