The MF Gig Calendar WordPress plugin through 1.2.1 does not have CSRF checks in some places, which could allow attackers to make logged in Contributors and above delete arbitrary events via a CSRF attack

The MF Gig Calendar WordPress plugin through 1.2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as editor to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Cross-Site Request Forgery (CSRF) vulnerability in Matthew Fries MF Gig Calendar.This issue affects MF Gig Calendar : from n/a through 1.2.1.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Matthew Fries MF Gig Calendar.This issue affects MF Gig Calendar: from n/a through 1.2.1.

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Matthew Fries MF Gig Calendar plugin <= 1.2 versions.

The MF Gig Calendar WordPress plugin before 1.2 does not sanitise and escape the id GET parameter before outputting back in the admin dashboard when editing an Event, leading to a reflected Cross-Site Scripting issue

Cross-site scripting (XSS) vulnerability in the MF Gig Calendar plugin 0.9.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the query string to the calendar page.