Description

Unauthenticated Broken Access Control in Ultimate Gift Cards For WooCommerce <= 3.2.9 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.3",
  "pubDate": "2026-09-02T12:17:14.660Z",
  "pubdate": "2026-09-02T12:17:14.660Z",
  "executiveSummary": "The Ultimate Gift Cards For WooCommerce plugin, specifically versions 3.2.9 and below, is affected by an unauthenticated broken access control vulnerability.\nThis security flaw allows remote, unauthenticated attackers to perform unauthorized actions or access restricted functionality within the plugin without requiring any valid credentials.\nThe vulnerability stems from improper authorization checks on critical endpoints, enabling malicious actors to bypass standard security controls intended to protect administrative or user-specific data.\nThe impact of this vulnerability is significant, as it permits unauthorized manipulation of gift card settings, potential data exposure, or other administrative tasks depending on the specific exposed functionality.\nThere are no requirements for authentication or elevated privileges to exploit this flaw, making it a high-risk security issue for affected WooCommerce environments.\nThe vulnerability is exposed over the network, necessitating immediate attention from administrators to mitigate potential exploitation attempts.",
  "technicalDetails": "The vulnerability arises from insufficient or absent capability checks within the plugin's request handling mechanisms. In Ultimate Gift Cards For WooCommerce versions <= 3.2.9, specific API endpoints or AJAX handlers fail to verify the authorization level of the requester before processing the request.\nThis broken access control allows an unauthenticated user to craft malicious HTTP requests that invoke internal functions typically restricted to administrative or authorized user roles. The root cause is the reliance on insecure request routing that assumes trust in the user's input or fails to implement necessary permission checks (e.g., using current_user_can() or appropriate nonces) prior to executing business logic.\nExploitation involves an attacker identifying the exposed endpoint or AJAX action handler. By sending an unauthenticated request to the target WooCommerce installation, the attacker triggers the vulnerable function.\nThe attack flow follows these steps: 1) The attacker maps the plugin to identify accessible endpoints that do not enforce access control; 2) The attacker constructs a request payload targeting these functions; 3) The target server processes the request without validating if the user is authorized to perform the action; 4) The plugin executes the requested operation, granting the attacker unauthorized control or access to the underlying functionality.\nBecause the vulnerability exists in the plugin's core request processing logic, it is accessible over the network without requiring any prior authentication. The lack of validation on user-supplied data or request context in these specific handlers effectively allows an unauthenticated attacker to bypass intended security boundaries.\nThe post-exploitation impact includes the potential unauthorized creation, modification, or deletion of gift card entities, or the extraction of sensitive information configured within the plugin. Depending on the depth of the functionality exposed through the vulnerable handler, an attacker may be able to fully manipulate the plugin's configuration, leading to a compromise of the WooCommerce gift card workflow."
}