The Social Like Box and Page by WpDevArt WordPress plugin before 0.8.41 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.
The Booking calendar, Appointment Booking System WordPress plugin before 3.2.2 does not validate uploaded files, which could allow unauthenticated users to upload arbitrary files, such as PHP and achieve RCE
Authenticated (admin+) Cross-Site Scripting (XSS) vulnerability in wpdevart Poll, Survey, Questionnaire and Voting system plugin <= 1.7.4 at WordPress.
The Gallery WordPress plugin before 2.0.0 does not sanitise and escape a parameter before outputting it back in the response of an AJAX action (available to both unauthenticated and authenticated users), leading to a Reflected Cross-Site Scripting issue
The Social comments by WpDevArt WordPress plugin before 2.5.0 does not sanitise and escape its settings, allowing high privilege users such as admin to perform cross-Site Scripting attacks even when unfiltered_html is disallowed