Validate form input

template-parts/content-single.php

@@ -12,7 +12,7 @@
 	<header style="background-image: url('<?php the_post_thumbnail_url(); ?>');">
 		<div>
 			<h1 id="post-title">
-			<?php echo esc_html( get_the_title() ); ?>
+			<?php echo wp_kses_post( get_the_title() ); ?>
 			</h1>
 
 			<?php
@@ -168,13 +168,13 @@
 			// phpcs:disable WordPress.CodeAnalysis.AssignmentInCondition
 			$i = 1;
 			while ( $section_title = get_post_meta( get_the_ID(), 'ToC' . $i, true ) ) :
-				?>
+			?>
 				<li>
 					<a href="#section-<?php echo esc_attr( $i++ ); ?>">
-					<?php echo wp_kses_post( $content ); ?>
+					<?php echo wp_kses_post( $section_title ); ?>
 					</a>
 				</li>
-				<?php
+			<?php
 			endwhile;
 			// phpcs:enable 
 			?>