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4 changes: 2 additions & 2 deletions includes/controls/media.php
Original file line number Diff line number Diff line change
Expand Up @@ -382,7 +382,7 @@ public static function get_image_title( $attachment ) {
public static function get_image_alt( $instance ) {
if ( empty( $instance['id'] ) ) {
// For `Insert From URL` images.
return isset( $instance['alt'] ) ? trim( strip_tags( $instance['alt'] ) ) : '';
return isset( $instance['alt'] ) ? trim( esc_attr( strip_tags( $instance['alt'] ) ) ) : '';
}

$attachment_id = $instance['id'];
Expand All @@ -402,7 +402,7 @@ public static function get_image_alt( $instance ) {
$alt = $attachment->post_title;
}
}
return trim( strip_tags( $alt ) );
return trim( esc_attr( strip_tags( $alt ) ) );
}

public function get_style_value( $css_property, $control_value, array $control_data ) {
Expand Down