Sassy Social Share < 3.3.61 - Contributor+ Stored XSS

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

PoC

As a contributor, put the below shortcode in a post, preview it and move the mouse over Pinterest icon in the the right bar to trigger the XSS [Sassy_Social_Share type=“floating” url=‘http://mywebsite.com/example.php"onmouseover="alert(1123123)"’ align=“right”]