diff --git a/wp-includes/html-api/class-wp-html-processor.php b/wp-includes/html-api/class-wp-html-processor.php
index 7b156d8a60..8d2a476769 100644
--- a/wp-includes/html-api/class-wp-html-processor.php
+++ b/wp-includes/html-api/class-wp-html-processor.php
@@ -303,7 +303,9 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
 		}
 
 		while ( $context_processor->next_tag() ) {
-			$context_processor->set_bookmark( 'final_node' );
+			if ( ! $context_processor->is_virtual() ) {
+				$context_processor->set_bookmark( 'final_node' );
+			}
 		}
 
 		if (
@@ -5673,12 +5675,25 @@ class WP_HTML_Processor extends WP_HTML_Tag_Processor {
 	 * reaching for it, as inappropriate use could lead to broken
 	 * HTML structure or unwanted processing overhead.
 	 *
+	 * Bookmarks cannot be set on tokens that do no appear in the original
+	 * HTML text. For example, the HTML `<table><td>` stops at tags `TABLE`,
+	 * `TBODY`, `TR`, and `TD`. The `TBODY` and `TR` tags do not appear in
+	 * the original HTML and cannot be used as bookmarks.
+	 *
 	 * @since 6.4.0
 	 *
 	 * @param string $bookmark_name Identifies this particular bookmark.
 	 * @return bool Whether the bookmark was successfully created.
 	 */
 	public function set_bookmark( $bookmark_name ): bool {
+		if ( $this->is_virtual() ) {
+			_doing_it_wrong(
+				__METHOD__,
+				__( 'Cannot set bookmarks on tokens that do no appear in the original HTML text.' ),
+				'6.8.0'
+			);
+			return false;
+		}
 		return parent::set_bookmark( "_{$bookmark_name}" );
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index a040087f3b..c7e61f20a4 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-alpha-59501';
+$wp_version = '6.8-alpha-59502';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.