Description

Missing Authorization vulnerability in Supsystic Ultimate Maps by Supsystic allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Ultimate Maps by Supsystic: from n/a through 1.5.3.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.3",
  "pubDate": "2026-09-03T17:17:31.220Z",
  "pubdate": "2026-09-03T17:17:31.220Z",
  "executiveSummary": "The Ultimate Maps by Supsystic plugin, specifically versions n/a through 1.5.3, is susceptible to a Missing Authorization vulnerability. This security flaw stems from an incorrectly configured access control mechanism, allowing unauthorized users to perform sensitive actions that should be restricted to privileged accounts.\nThe vulnerability type is categorized as Missing Authorization, which allows for unauthorized access to internal functions. The impact is significant, as it enables an attacker to manipulate plugin configurations or trigger backend operations without the requisite administrative privileges.\nThis issue affects all instances of the Ultimate Maps by Supsystic plugin within the specified version range. The risk implications are critical, as the vulnerability does not require authentication from the attacker, effectively lowering the barrier for exploitation. An attacker with network access to the affected WordPress installation can leverage this flaw to bypass established security perimeters, potentially leading to unauthorized data modification, settings alteration, or further system compromise depending on the reachable administrative endpoints within the plugin architecture.",
  "technicalDetails": "The root cause of this vulnerability lies in the improper implementation of access control checks within the plugin's request handling logic. The application fails to adequately verify the authorization level of the user performing certain actions, effectively treating unauthenticated or low-privileged requests as authorized.\nIn a standard WordPress plugin architecture, administrative actions are typically protected by nonce verification and explicit capability checks, such as 'current_user_can('manage_options')'. The Ultimate Maps plugin, however, processes specific administrative functions without verifying if the caller possesses the necessary administrative tokens or session privileges.\nThe attack flow initiates when an unauthenticated actor sends a specially crafted HTTP request to the vulnerable plugin endpoint. Since the backend component lacks the mandatory authorization header or session validation check, the plugin logic executes the requested administrative command. This bypass allows the attacker to interact with backend functions designed solely for administrators, such as altering map markers, modifying plugin settings, or potentially injecting malicious data into the database if the endpoint facilitates data persistence.\nBecause this vulnerability resides in the core request handling of the plugin, the exposure is essentially global to the WordPress site hosting the plugin. The attacker does not need to possess a valid account or specific administrative roles to trigger the vulnerable functions. Once the request is sent, the plugin processes the payload as if it were a legitimate administrative interaction.\nThe post-exploitation impact is extensive. An attacker could modify site configurations to facilitate further malicious activity, such as redirecting traffic, defacing map implementations, or potentially utilizing the plugin as a vector for Cross-Site Scripting (XSS) if the lack of authorization allows for the injection of arbitrary scripts into the map management interface. Furthermore, because these actions are performed through the plugin's own logic, they may appear as legitimate traffic in logs, complicating forensic analysis and incident response efforts. The absence of strict authorization checks remains a persistent vulnerability until the plugin’s request handling routines are patched to enforce mandatory capability validation for every restricted function call."
}