Description

The Tripzzy WordPress plugin before 1.5.1 does not perform any capability or ownership checks on its administrative booking-management actions, which are additionally exposed to unauthenticated users and gated only by a token the Tripzzy WordPress plugin before 1.5.1 issues to any anonymous visitor on request, allowing unauthenticated attackers to alter the contents, stored totals and notes of arbitrary bookings.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.3",
  "pubDate": "2026-09-20T07:16:50.860Z",
  "pubdate": "2026-09-20T07:16:50.860Z",
  "executiveSummary": "The Tripzzy WordPress plugin, in versions prior to 1.5.1, contains a critical security vulnerability involving improper authorization for administrative booking-management actions.\nThe vulnerability is categorized as an Broken Access Control issue, allowing unauthorized actors to perform administrative operations without legitimate credentials.\nThe flaw stems from the plugin's failure to enforce capability or ownership checks on sensitive booking modification functions, relying instead on a publicly obtainable token available to any anonymous visitor.\nAn unauthenticated attacker can exploit this weakness to remotely modify booking details, alter financial totals, and manipulate reservation notes, compromising the integrity of the booking system.\nThis vulnerability poses a significant risk to the confidentiality and integrity of customer data and financial records stored within the WordPress environment.\nSuccessful exploitation requires no prior authentication or administrative privileges, as the necessary interaction tokens are provisioned automatically upon request by the plugin.",
  "technicalDetails": "The root cause of this vulnerability lies in the implementation of the booking-management module within the Tripzzy plugin versions prior to 1.5.1. The plugin exposes administrative functions for booking management to the web interface without implementing proper WordPress capability checks (e.g., current_user_can()) or verifying ownership of the requested booking record.\nInstead of leveraging robust session-based authentication or nonce verification, the plugin relies on a custom token-based mechanism. This token is designed to be requested by anonymous users, essentially acting as an insecure identifier for booking interactions. Because the plugin does not validate the origin, identity, or administrative privileges of the requestor beyond the presence of this easily obtainable token, it creates an unauthenticated entry point.\nThe attack flow proceeds as follows: First, an attacker initiates a request to the plugin to obtain a valid interaction token, which the application grants to any anonymous visitor without restriction. Second, the attacker crafts a malicious HTTP request targeting the exposed administrative endpoint responsible for processing booking modifications. Third, the attacker includes the obtained token in the request parameters or headers, effectively bypassing the intended gatekeeping mechanism. Finally, the application processes the request, allowing the attacker to manipulate sensitive data fields including booking contents, stored financial totals, and internal booking notes.\nThis vulnerability exposes the application's backend logic to remote, unauthenticated exploitation. By manipulating the parameters sent to the booking-management functions, an attacker can perform unauthorized CRUD (Create, Read, Update, Delete) operations on arbitrary booking records. This behavior enables the systematic alteration of business data, which could lead to service disruption, financial discrepancies, and the exposure of sensitive customer information.\nThe absence of secondary checks ensures that once the token is obtained, all subsequent actions are executed in the context of the requested administrative function, effectively granting unauthenticated users the same level of control as an administrator for the affected booking modules. The vulnerability is restricted to environments utilizing affected versions of the Tripzzy plugin, where the interaction logic remains improperly gated."
}