Description

Missing Authorization vulnerability in Kirillbdev WC Ukraine Shipping wc-ukr-shipping allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WC Ukraine Shipping: from n/a through 1.23.2.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "6.5",
  "pubDate": "2026-10-05T20:17:08.177Z",
  "pubdate": "2026-10-05T20:17:08.177Z",
  "executiveSummary": "The WC Ukraine Shipping plugin is susceptible to a Missing Authorization vulnerability, classified as an Improper Access Control flaw.\nThis vulnerability allows unauthorized actors to perform actions restricted to higher-privileged users by failing to properly validate user permissions before executing sensitive operations.\nThe flaw affects all versions of the WC Ukraine Shipping plugin from n/a through 1.23.2.\nThe security implication is a compromise of the plugin's access control integrity, which may allow unauthenticated or low-privileged attackers to interact with internal functions or sensitive configuration settings unintended for their security level.\nNo specific preconditions or complex exploitation chains were identified, suggesting that the vulnerability may be reachable via standard HTTP requests if the plugin exposes an endpoint without adequate authorization checks.\nThe impact includes potential unauthorized data access, unauthorized configuration modifications, or the execution of administrative actions within the context of the WordPress environment where the plugin is active.",
  "technicalDetails": "The vulnerability originates from a Missing Authorization flaw within the WC Ukraine Shipping plugin, specifically occurring because the code lacks necessary capability checks (e.g., current_user_can()) or nonce verifications on critical execution paths.\nIn the context of WordPress plugins, such vulnerabilities often reside within administrative AJAX handlers, REST API endpoints, or form processing logic that fails to enforce strict access control lists (ACLs) before invoking plugin-specific functions.\nThe root cause is the assumption by the developer that the invocation of these endpoints is implicitly protected by the WordPress dashboard environment, failing to account for external access requests.\nExploitation involves an attacker sending crafted HTTP GET or POST requests to the vulnerable endpoints managed by the plugin. Because the backend code omits authorization verification, the application proceeds to execute the requested logic regardless of the user's current session or privilege level.\nAn attacker can exploit this by identifying the specific plugin URL endpoints—commonly found under /wp-admin/admin-ajax.php or /wp-json/wc-ukr-shipping/—and interacting with them while unauthenticated or with restricted subscriber-level credentials.\nThe attack flow follows a predictable sequence: First, the attacker enumerates or identifies the exposed function within the plugin's codebase. Second, the attacker triggers the function through an unsanitized request. Third, the application processes the request, performing the action (such as modifying shipping settings, retrieving sensitive logs, or triggering data processing) because it fails to validate that the initiator possesses the administrative rights required for that action.\nSince the vulnerability exists within the logic of the plugin itself, it does not depend on specific environmental configurations but rather on the fundamental absence of permission checks in the affected versions 1.23.2 and earlier.\nPost-exploitation, an attacker could potentially manipulate shipping configurations, which might lead to service disruption, financial impact due to incorrect shipping calculations, or even serve as a precursor to further unauthorized actions within the WordPress instance if the shipping configuration exposes additional administrative data or system interfaces."
}