diff -r 34716fd837a4 -r be944660c56a wp/wp-admin/comment.php
--- a/wp/wp-admin/comment.php	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-admin/comment.php	Wed Sep 21 18:19:35 2022 +0200
@@ -36,14 +36,18 @@
 	}
 }
 
-$comment_id = absint( $_GET['c'] );
-$comment    = get_comment( $comment_id );
+if ( isset( $_REQUEST['c'] ) ) {
+	$comment_id = absint( $_REQUEST['c'] );
+	$comment    = get_comment( $comment_id );
 
-// Prevent actions on a comment associated with a trashed post.
-if ( 'trash' === get_post_status( $comment->comment_post_ID ) ) {
-	wp_die(
-		__( 'You can’t edit this comment because the associated post is in the Trash. Please restore the post first, then try again.' )
-	);
+	// Prevent actions on a comment associated with a trashed post.
+	if ( $comment && 'trash' === get_post_status( $comment->comment_post_ID ) ) {
+		wp_die(
+			__( 'You can’t edit this comment because the associated post is in the Trash. Please restore the post first, then try again.' )
+		);
+	}
+} else {
+	$comment = null;
 }
 
 switch ( $action ) {
@@ -163,19 +167,19 @@
 
 <table class="form-table comment-ays">
 <tr>
-<th scope="row"><?php _e( 'Author' ); ?></th>
-<td><?php comment_author( $comment ); ?></td>
+	<th scope="row"><?php _e( 'Author' ); ?></th>
+	<td><?php comment_author( $comment ); ?></td>
 </tr>
 		<?php if ( get_comment_author_email( $comment ) ) { ?>
 <tr>
-<th scope="row"><?php _e( 'Email' ); ?></th>
-<td><?php comment_author_email( $comment ); ?></td>
+	<th scope="row"><?php _e( 'Email' ); ?></th>
+	<td><?php comment_author_email( $comment ); ?></td>
 </tr>
 <?php } ?>
 		<?php if ( get_comment_author_url( $comment ) ) { ?>
 <tr>
-<th scope="row"><?php _e( 'URL' ); ?></th>
-<td><a href="<?php comment_author_url( $comment ); ?>"><?php comment_author_url( $comment ); ?></a></td>
+	<th scope="row"><?php _e( 'URL' ); ?></th>
+	<td><a href="<?php comment_author_url( $comment ); ?>"><?php comment_author_url( $comment ); ?></a></td>
 </tr>
 <?php } ?>
 <tr>
@@ -203,17 +207,17 @@
 		}
 		?>
 	</td>
-	</tr>
-	<tr>
+</tr>
+<tr>
 	<th scope="row"><?php _e( 'Submitted on' ); ?></th>
 	<td>
 		<?php
 		$submitted = sprintf(
 			/* translators: 1: Comment date, 2: Comment time. */
 			__( '%1$s at %2$s' ),
-			/* translators: Comment date format. See https://www.php.net/date */
+			/* translators: Comment date format. See https://www.php.net/manual/datetime.format.php */
 			get_comment_date( __( 'Y/m/d' ), $comment ),
-			/* translators: Comment time format. See https://www.php.net/date */
+			/* translators: Comment time format. See https://www.php.net/manual/datetime.format.php */
 			get_comment_date( __( 'g:i a' ), $comment )
 		);
 		if ( 'approved' === wp_get_comment_status( $comment ) && ! empty( $comment->comment_post_ID ) ) {
@@ -222,31 +226,32 @@
 			echo $submitted;
 		}
 		?>
-		</td>
-	</tr>
-	<tr>
+	</td>
+</tr>
+<tr>
 	<th scope="row"><?php /* translators: Field name in comment form. */ _ex( 'Comment', 'noun' ); ?></th>
 	<td class="comment-content">
 		<?php comment_text( $comment ); ?>
-	<p class="edit-comment"><a href="<?php echo admin_url( "comment.php?action=editcomment&amp;c={$comment->comment_ID}" ); ?>"><?php esc_html_e( 'Edit' ); ?></a></p>
+		<p class="edit-comment">
+			<a href="<?php echo esc_url( admin_url( "comment.php?action=editcomment&c={$comment->comment_ID}" ) ); ?>"><?php esc_html_e( 'Edit' ); ?></a>
+		</p>
 	</td>
-	</tr>
-	</table>
+</tr>
+</table>
 
-	<form action="comment.php" method="get" class="comment-ays-submit">
-
+<form action="comment.php" method="get" class="comment-ays-submit">
 	<p>
 		<?php submit_button( $button, 'primary', 'submit', false ); ?>
-	<a href="<?php echo admin_url( 'edit-comments.php' ); ?>" class="button-cancel"><?php esc_html_e( 'Cancel' ); ?></a>
+		<a href="<?php echo esc_url( admin_url( 'edit-comments.php' ) ); ?>" class="button-cancel"><?php esc_html_e( 'Cancel' ); ?></a>
 	</p>
 
 		<?php wp_nonce_field( $nonce_action ); ?>
 	<input type="hidden" name="action" value="<?php echo esc_attr( $formaction ); ?>" />
 	<input type="hidden" name="c" value="<?php echo esc_attr( $comment->comment_ID ); ?>" />
 	<input type="hidden" name="noredir" value="1" />
-	</form>
+</form>
 
-	</div>
+</div>
 		<?php
 		break;