# Events Manager – Calendar, Bookings, Tickets, Appointments and more! <= 7.4.12 - Unauthenticated Insecure Direct Object Reference to Booking Creation on Behalf of Other Users

- **ID:** WPSEC-2026-2640
- **Plugin:** Events Manager – Calendar, Bookings, Tickets, Appointments and more! (`events-manager`), https://wordpress.org/plugins/events-manager/
- **Affected versions:** all versions before 7.4.13
- **Fixed in:** 7.4.13 (Update to 7.4.13 or later.)
- **Severity:** Low 3.7 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
- **Weakness:** CWE-639
- **Usage among sites WPSec scans:** plugin Medium, affected versions Medium (as of 2026-11-06)
- **Attack surface analysis:** https://attacksurface.wpsec.com/plugin/events-manager
- **Fix released:** 2026-11-05
- **Published:** 2026-11-06
- **URL:** https://wpsec.com/vuln/WPSEC-2026-2640/

## Description

The Events Manager plugin for WordPress is vulnerable to Insecure Direct Object Reference via the booking_add action in all versions up to, and including, 7.4.12. This is due to em_load_event() building the global person from a user-controlled 'person_id' request value, and a new booking adopting that person in EM_Booking::get_person(), without checking that the requester can manage the event. This makes it possible for authenticated attackers, with Subscriber-level access and above, and for unauthenticated attackers on sites that allow guest bookings without user accounts, to create bookings attributed to other users.

## References

- https://wpsec.com/vuln/WPSEC-2026-2640/
- https://plugins.svn.wordpress.org/events-manager/tags/7.4.13/
- https://wordpress.org/plugins/events-manager/

Source: WPSec, https://wpsec.com/vuln/WPSEC-2026-2640/

License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Free to use, share and adapt, also commercially, if you credit WPSec and link to this advisory.