Missing Authorization vulnerability in DearHive Social Media Share Buttons | MashShare.This issue affects Social Media Share Buttons | MashShare: from n/a through 4.0.47.

The MashShare WordPress plugin before 3.8.7 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admins.