Index: src/wp-includes/class-wp-customize-control.php
===================================================================
--- src/wp-includes/class-wp-customize-control.php	(revision 30014)
+++ src/wp-includes/class-wp-customize-control.php	(working copy)
@@ -218,8 +218,8 @@
 		}
 
 		$this->json['type']        = $this->type;
-		$this->json['label']       = $this->label;
-		$this->json['description'] = $this->description;
+		$this->json['label']       = html_entity_decode( $this->label );
+		$this->json['description'] = html_entity_decode( $this->description );
 		$this->json['active']      = $this->active();
 	}