Description The plugin does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks
As a contributor, put the following shortcode in a post
[simpleblogcard url="http://***.*/" color='red;" onmouseover="alert(/XSS/)"']
Other affected attributes: color, color_width, t_line_height, d_line_height