CVE-2021-36828

Authenticated (admin+) Stored Cross-Site Scripting (XSS) in WP Maintenance plugin

CVE-2022-30536

Authenticated Stored Cross-Site Scripting (XSS) vulnerability in Florent Maillefaud's WP Maintenance plugin

CVE-2021-24533

The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend