Index: public/wp-admin/edit-comments.php
===================================================================
--- public/wp-admin/edit-comments.php	(revision 17291)
+++ public/wp-admin/edit-comments.php	(working copy)
@@ -94,7 +94,7 @@
 
 	wp_redirect( $redirect_to );
 	exit;
-} elseif ( ! empty( $_REQUEST['_wp_http_referer'] ) ) {
+} elseif ( ! empty( $_GET['_wp_http_referer'] ) ) {
 	 wp_redirect( remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), stripslashes( $_SERVER['REQUEST_URI'] ) ) );
 	 exit;
 }
Index: public/wp-admin/link-manager.php
===================================================================
--- public/wp-admin/link-manager.php	(revision 17291)
+++ public/wp-admin/link-manager.php	(working copy)
@@ -30,7 +30,7 @@
 		wp_redirect( add_query_arg('deleted', count( $bulklinks ), admin_url( 'link-manager.php' ) ) );
 		exit;
 	}
-} elseif ( ! empty( $_REQUEST['_wp_http_referer'] ) ) {
+} elseif ( ! empty( $_GET['_wp_http_referer'] ) ) {
 	 wp_redirect( remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), stripslashes( $_SERVER['REQUEST_URI'] ) ) );
 	 exit;
 }
Index: public/wp-admin/upload.php
===================================================================
--- public/wp-admin/upload.php	(revision 17291)
+++ public/wp-admin/upload.php	(working copy)
@@ -125,7 +125,7 @@
 	$location = $wp_list_table->add_query_args( $location );
 	wp_redirect( $location );
 	exit;
-} elseif ( ! empty( $_REQUEST['_wp_http_referer'] ) ) {
+} elseif ( ! empty( $_GET['_wp_http_referer'] ) ) {
 	 wp_redirect( remove_query_arg( array( '_wp_http_referer', '_wpnonce' ), stripslashes( $_SERVER['REQUEST_URI'] ) ) );
 	 exit;
 }