diff --git a/includes/abstracts/abstract-wc-order.php b/includes/abstracts/abstract-wc-order.php
index ac537fdee79..fe50c4eb394 100644
--- a/includes/abstracts/abstract-wc-order.php
+++ b/includes/abstracts/abstract-wc-order.php
@@ -1050,10 +1050,10 @@ abstract class WC_Abstract_Order extends WC_Abstract_Legacy_Order {
 		$result = $coupon->get_data_store()->check_and_hold_coupon( $coupon );
 		if ( false === $result ) {
 			// translators: Actual coupon code.
-			throw new Exception( sprintf( __( 'An unexpected error happened while applying the Coupon %s.', 'woocommerce' ), $coupon->get_code() ) );
+			throw new Exception( sprintf( __( 'An unexpected error happened while applying the Coupon %s.', 'woocommerce' ), esc_html( $coupon->get_code() ) ) );
 		} elseif ( 0 === $result ) {
 			// translators: Actual coupon code.
-			throw new Exception( sprintf( __( 'Coupon %s was used in another transaction during this checkout, and coupon usage limit is reached. Please remove the coupon and try again.', 'woocommerce' ), $coupon->get_code() ) );
+			throw new Exception( sprintf( __( 'Coupon %s was used in another transaction during this checkout, and coupon usage limit is reached. Please remove the coupon and try again.', 'woocommerce' ), esc_html( $coupon->get_code() ) ) );
 		}
 		return $result;
 	}
@@ -1072,10 +1072,10 @@ abstract class WC_Abstract_Order extends WC_Abstract_Legacy_Order {
 		$result = $coupon->get_data_store()->check_and_hold_coupon_for_user( $coupon, $user_ids_and_emails, $user_alias );
 		if ( false === $result ) {
 			// translators: Actual coupon code.
-			throw new Exception( sprintf( __( 'An unexpected error happened while applying the Coupon %s.', 'woocommerce' ), $coupon->get_code() ) );
+			throw new Exception( sprintf( __( 'An unexpected error happened while applying the Coupon %s.', 'woocommerce' ), esc_html( $coupon->get_code() ) ) );
 		} elseif ( 0 === $result ) {
 			// translators: Actual coupon code.
-			throw new Exception( sprintf( __( 'You have used this coupon %s in another transaction during this checkout, and coupon usage limit is reached. Please remove the coupon and try again.', 'woocommerce' ), $coupon->get_code() ) );
+			throw new Exception( sprintf( __( 'You have used this coupon %s in another transaction during this checkout, and coupon usage limit is reached. Please remove the coupon and try again.', 'woocommerce' ), esc_html( $coupon->get_code() ) ) );
 		}
 		return $result;
 	}
diff --git a/includes/class-wc-cart.php b/includes/class-wc-cart.php
index b5933c4b31f..0e2e5db7dd6 100644
--- a/includes/class-wc-cart.php
+++ b/includes/class-wc-cart.php
@@ -1548,8 +1548,7 @@ class WC_Cart extends WC_Legacy_Cart {
 
 		// Check it can be used with cart.
 		if ( ! $the_coupon->is_valid() ) {
-			// Notices are escaped using wc_kses_notice, which allows <a> tag, but we don't want that in coupon error output.
-			wc_add_notice( esc_html( $the_coupon->get_error_message() ), 'error' );
+			wc_add_notice( $the_coupon->get_error_message(), 'error' );
 			return false;
 		}
 
diff --git a/includes/class-wc-coupon.php b/includes/class-wc-coupon.php
index 0c5dffe6b02..5ca6867a5a8 100644
--- a/includes/class-wc-coupon.php
+++ b/includes/class-wc-coupon.php
@@ -951,22 +951,22 @@ class WC_Coupon extends WC_Legacy_Coupon {
 				break;
 			case self::E_WC_COUPON_NOT_EXIST:
 				/* translators: %s: coupon code */
-				$err = sprintf( __( 'Coupon "%s" does not exist!', 'woocommerce' ), $this->get_code() );
+				$err = sprintf( __( 'Coupon "%s" does not exist!', 'woocommerce' ), esc_html( $this->get_code() ) );
 				break;
 			case self::E_WC_COUPON_INVALID_REMOVED:
 				/* translators: %s: coupon code */
-				$err = sprintf( __( 'Sorry, it seems the coupon "%s" is invalid - it has now been removed from your order.', 'woocommerce' ), $this->get_code() );
+				$err = sprintf( __( 'Sorry, it seems the coupon "%s" is invalid - it has now been removed from your order.', 'woocommerce' ), esc_html( $this->get_code() ) );
 				break;
 			case self::E_WC_COUPON_NOT_YOURS_REMOVED:
 				/* translators: %s: coupon code */
-				$err = sprintf( __( 'Sorry, it seems the coupon "%s" is not yours - it has now been removed from your order.', 'woocommerce' ), $this->get_code() );
+				$err = sprintf( __( 'Sorry, it seems the coupon "%s" is not yours - it has now been removed from your order.', 'woocommerce' ), esc_html( $this->get_code() ) );
 				break;
 			case self::E_WC_COUPON_ALREADY_APPLIED:
 				$err = __( 'Coupon code already applied!', 'woocommerce' );
 				break;
 			case self::E_WC_COUPON_ALREADY_APPLIED_INDIV_USE_ONLY:
 				/* translators: %s: coupon code */
-				$err = sprintf( __( 'Sorry, coupon "%s" has already been applied and cannot be used in conjunction with other coupons.', 'woocommerce' ), $this->get_code() );
+				$err = sprintf( __( 'Sorry, coupon "%s" has already been applied and cannot be used in conjunction with other coupons.', 'woocommerce' ), esc_html( $this->get_code() ) );
 				break;
 			case self::E_WC_COUPON_USAGE_LIMIT_REACHED:
 				$err = __( 'Coupon usage limit has been reached.', 'woocommerce' );
diff --git a/includes/class-wc-discounts.php b/includes/class-wc-discounts.php
index 169994cb154..95e3b44994f 100644
--- a/includes/class-wc-discounts.php
+++ b/includes/class-wc-discounts.php
@@ -585,7 +585,7 @@ class WC_Discounts {
 	protected function validate_coupon_exists( $coupon ) {
 		if ( ! $coupon->get_id() && ! $coupon->get_virtual() ) {
 			/* translators: %s: coupon code */
-			throw new Exception( sprintf( __( 'Coupon "%s" does not exist!', 'woocommerce' ), $coupon->get_code() ), 105 );
+			throw new Exception( sprintf( __( 'Coupon "%s" does not exist!', 'woocommerce' ), esc_html( $coupon->get_code() ) ), 105 );
 		}
 
 		return true;