# CVE-2026-74002: Booking Calendar broken access control vulnerability

Source: https://junglewise.ai/threats/cve-2026-74002-booking-calendar-broken-access-control-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-17. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-74002 · Severity: medium · CVSS 5.3 · Published 2026-09-17

Booking Calendar is a WordPress plugin used to manage appointment and event scheduling on websites. An unauthenticated attacker can bypass access controls to view or perform actions they should not be permitted to access, such as viewing bookings or calendar data belonging to other users or administrators.

## Quick answers

**Is CVE-2026-74002 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-74002 being exploited in the wild.

**How severe is CVE-2026-74002?** Medium severity, with a CVSS score of 5.3, published 17 September 2026.

**Which products and versions are affected?** Booking Calendar Booking Calendar <=11.7.

**Is there a fix for CVE-2026-74002?** A patch was published on 2026-09-16: Fixed in version 11.8 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-74002 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-74002?** Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This vulnerability is a broken access control flaw in Booking Calendar plugin versions 11.7 and earlier. The vulnerability allows unauthenticated users to access restricted pages and perform unauthorized actions without proper authentication checks. The root cause is insufficient authorization validation on sensitive endpoints. An attacker can exploit this over the network by directly accessing affected functionality without credentials to view or manipulate booking and calendar data. The vulnerability has been patched in version 11.8 and later.

## Affected products

- Booking Calendar Booking Calendar <=11.7

## Timeline

- 2026-09-16: disclosed
- 2026-09-16: patched: Fixed in version 11.8

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/booking/vulnerability/wordpress-booking-calendar-plugin-11-7-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/booking/vulnerability/wordpress-booking-calendar-plugin-11-7-broken-access-control-vulnerability?_s_id=cve)