CVE-2021-24726: Wpsimplebookingcalendar Wp Simple Booking Calendar

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

The WP Simple Booking Calendar WordPress plugin before 2.0.6 did not escape, validate or sanitise the orderby parameter in its Search Calendars action, before using it in a SQL statement, leading to an authenticated SQL injection issue

Affected products

• Wpsimplebookingcalendar Wp Simple Booking Calendar: before 2.0.6 (fixed in 2.0.6)

Published 2021-09-13. Last modified 2026-06-17.