diff --git a/src/wp-includes/html-api/class-wp-html-processor.php b/src/wp-includes/html-api/class-wp-html-processor.php
index cce26a60c5350..910c1f24f1b18 100644
--- a/src/wp-includes/html-api/class-wp-html-processor.php
+++ b/src/wp-includes/html-api/class-wp-html-processor.php
@@ -109,7 +109,7 @@
  *  - Media elements: AUDIO, CANVAS, FIGCAPTION, FIGURE, IMG, MAP, PICTURE, VIDEO.
  *  - Paragraph: P.
  *  - Phrasing elements: ABBR, BDI, BDO, CITE, DATA, DEL, DFN, INS, MARK, OUTPUT, Q, SAMP, SUB, SUP, TIME, VAR.
- *  - Sectioning elements: ARTICLE, ASIDE, NAV, SECTION.
+ *  - Sectioning elements: ARTICLE, ASIDE, HR, NAV, SECTION.
  *  - Templating elements: SLOT.
  *  - Text decoration: RUBY.
  *  - Deprecated elements: ACRONYM, BLINK, CENTER, DIR, ISINDEX, MULTICOL, NEXTID, SPACER.
@@ -941,6 +941,17 @@ private function step_in_body() {
 				$this->reconstruct_active_formatting_elements();
 				$this->insert_html_element( $this->state->current_token );
 				return true;
+
+			/*
+			 * > A start tag whose tag name is "hr"
+			 */
+			case '+HR':
+				if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) {
+					$this->close_a_p_element();
+				}
+				$this->insert_html_element( $this->state->current_token );
+				$this->state->frameset_ok = false;
+				return true;
 		}
 
 		/*
@@ -977,7 +988,6 @@ private function step_in_body() {
 			case 'FRAME':
 			case 'FRAMESET':
 			case 'HEAD':
-			case 'HR':
 			case 'HTML':
 			case 'IFRAME':
 			case 'INPUT':
diff --git a/tests/phpunit/tests/html-api/wpHtmlProcessor.php b/tests/phpunit/tests/html-api/wpHtmlProcessor.php
index d9f1357b5c66f..d1f0767e9ce13 100644
--- a/tests/phpunit/tests/html-api/wpHtmlProcessor.php
+++ b/tests/phpunit/tests/html-api/wpHtmlProcessor.php
@@ -173,7 +173,6 @@ public function data_unsupported_special_in_body_tags() {
 			'FRAME'     => array( 'FRAME' ),
 			'FRAMESET'  => array( 'FRAMESET' ),
 			'HEAD'      => array( 'HEAD' ),
-			'HR'        => array( 'HR' ),
 			'HTML'      => array( 'HTML' ),
 			'IFRAME'    => array( 'IFRAME' ),
 			'INPUT'     => array( 'INPUT' ),
diff --git a/tests/phpunit/tests/html-api/wpHtmlProcessorBreadcrumbs.php b/tests/phpunit/tests/html-api/wpHtmlProcessorBreadcrumbs.php
index 15d38d6f70c6c..c16d38146acb3 100644
--- a/tests/phpunit/tests/html-api/wpHtmlProcessorBreadcrumbs.php
+++ b/tests/phpunit/tests/html-api/wpHtmlProcessorBreadcrumbs.php
@@ -175,7 +175,6 @@ public function data_unsupported_elements() {
 			'FRAME',
 			'FRAMESET',
 			'HEAD',
-			'HR',
 			'HTML',
 			'IFRAME',
 			'INPUT',
diff --git a/tests/phpunit/tests/html-api/wpHtmlProcessorSemanticRules.php b/tests/phpunit/tests/html-api/wpHtmlProcessorSemanticRules.php
index c1adf9a71a3f8..ba9640f2efdc7 100644
--- a/tests/phpunit/tests/html-api/wpHtmlProcessorSemanticRules.php
+++ b/tests/phpunit/tests/html-api/wpHtmlProcessorSemanticRules.php
@@ -224,6 +224,22 @@ public function test_in_body_button_with_button_in_scope_as_ancestor() {
 		$this->assertSame( array( 'HTML', 'BODY', 'BUTTON' ), $p->get_breadcrumbs(), 'Failed to produce expected DOM nesting for third button.' );
 	}
 
+	/**
+	 * Verifies that HR closes an open p tag
+	 *
+	 * @ticket 60283
+	 */
+	public function test_in_body_hr_element_closes_open_p_tag() {
+		$processor = WP_HTML_Processor::create_fragment( '<p><hr>' );
+
+		$processor->next_tag( 'HR' );
+		$this->assertSame(
+			array( 'HTML', 'BODY', 'HR' ),
+			$processor->get_breadcrumbs(),
+			'Expected HR to be a direct child of the BODY, having closed the open P element.'
+		);
+	}
+
 	/**
 	 * Verifies that H1 through H6 elements close an open P element.
 	 *