The Pretty Google Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the pgcal_ajax_handler() function in all versions up to, and including, 2.0.0.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LBell Pretty Google Calendar allows Stored XSS.This issue affects Pretty Google Calendar: from n/a through 1.7.2.