# CVE-2026-121781: WP ManageNinja Fluent Booking broken access control

Source: https://junglewise.ai/threats/cve-2026-121781-missing-authorization-vulnerability-in-wp-manageninja-llc-fluent  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-07. Updated: 2026-11-07  
License: CC BY 4.0 with a link back

CVE-2026-121781 · Severity: medium · CVSS 5.3 · Published 2026-11-07

Fluent Booking is a WordPress plugin for managing appointment and booking schedules. The plugin contains a broken access control vulnerability that allows unauthenticated users to access pages and perform actions they should not be permitted to perform, such as viewing other users' data or making unauthorized bookings.

Vendors: [WP ManageNinja LLC](https://junglewise.ai/threats/vendors/wp-manageninja-llc).

## Quick answers

**Is CVE-2026-121781 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-121781 being exploited in the wild.

**How severe is CVE-2026-121781?** Medium severity, with a CVSS score of 5.3, published 7 November 2026.

**Which products and versions are affected?** WP ManageNinja LLC Fluent Booking through 2.5.0.

**Is there a fix for CVE-2026-121781?** Yes: fixed in 2.6.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-121781 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-121781?** Check whether you run WP ManageNinja LLC Fluent Booking at an affected version. 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.

## How to fix

- Fixed in 2.6.0

## Technical details

Broken access control in Fluent Booking through version 2.5.0 allows unauthenticated attackers to access functionality and data without proper authorization checks. The vulnerability requires no authentication or user interaction and can be exploited remotely over the network. An attacker can access sensitive pages, view other users' booking information, or perform unauthorized actions within the booking system.

## Affected products

- WP ManageNinja LLC Fluent Booking through 2.5.0

## Timeline

- 2026-10-26: disclosed: Vulnerability reported
- 2026-11-07: advisory: Patchstack published advisory

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/fluent-booking/vulnerability/wordpress-fluent-booking-plugin-2-5-0-broken-access-control-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/fluent-booking/vulnerability/wordpress-fluent-booking-plugin-2-5-0-broken-access-control-vulnerability?_s_id=cve)

## Related threats

- [WP ManageNinja Fluent Booking broken access control](https://junglewise.ai/threats/cve-2026-122659-missing-authorization-vulnerability-in-wp-manageninja-llc-fluent)