From 7f8add52a76bd68536d8c4c1c94eea8482b293c5 Mon Sep 17 00:00:00 2001
From: Mike Jolley <mike.jolley@me.com>
Date: Wed, 24 May 2017 18:01:19 +0100
Subject: [PATCH] Fix saving of text attributes with special chars

Fixes #15238
---
 includes/class-wc-product-attribute.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/includes/class-wc-product-attribute.php b/includes/class-wc-product-attribute.php
index ab730ad22a8..cad8804b55a 100644
--- a/includes/class-wc-product-attribute.php
+++ b/includes/class-wc-product-attribute.php
@@ -73,7 +73,8 @@ class WC_Product_Attribute implements ArrayAccess {
 			if ( is_int( $option ) ) {
 				$term = get_term_by( 'id', $option, $this->get_name() );
 			} else {
-				$term = get_term_by( 'name', $option, $this->get_name() );
+				// Term names get escaped in WP. See sanitize_term_field.
+				$term = get_term_by( 'name', esc_attr( $option ), $this->get_name() );
 
 				if ( ! $term || is_wp_error( $term ) ) {
 					$new_term = wp_insert_term( $option, $this->get_name() );