Small JavaScript Bug

Hello, I have discovered a small issue in ssb-script.js

$(document).on('click', '.ssb-share a', function() {

	var ssb_site = $(this).attr('class');
	var post_id = $(this).parent().attr("post_id");
	var count = parseInt($(this).children('.count').text());

	$.ajax(
		{
			type:"POST",
			url:ssb_ajax.ssb_ajaxurl,
			data:
				{
					action:"ssb_ajax_form",
					ssb_site:ssb_site,
					post_id:post_id
				},
			success:function(data) {
				$('.ssb-share-'+post_id+' a.'+ssb_site).children('.count').text(count+1);
				$('.ssb-share-'+post_id+' a.'+ssb_site).prop('disabled',true);
				$('.ssb-share-'+post_id+' a.'+ssb_site).css('cursor','not-allowed');
			}
		})
});

The post_id attribute is not passed because in the default style the parent of the ‘a’ element is another ‘div’, which has no attribute ‘post_id’, instead that div’s parent has the ‘post_id’ attribute.

Thanks.

https://ww.wp.xz.cn/plugins/social-share-button/