Description

Incorrect Privilege Assignment vulnerability in WP ManageNinja LLC Fluent CRM fluent-crm allows Privilege Escalation.This issue affects Fluent CRM: from n/a through 3.2.5.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.8",
  "pubDate": "2026-10-15T11:17:24.537Z",
  "pubdate": "2026-10-15T11:17:24.537Z",
  "executiveSummary": "This vulnerability is an Incorrect Privilege Assignment flaw identified within the WP ManageNinja LLC Fluent CRM plugin, affecting all versions from n/a through 3.2.5.\nThe vulnerability permits an unauthorized user or an attacker with lower-level access to escalate their privileges to a higher tier within the WordPress installation.\nBy manipulating requests handled by the plugin, an attacker can bypass standard capability checks, potentially gaining administrative control over the application.\nThis represents a critical security risk as successful exploitation allows for unauthorized management of CRM data, user accounts, and potentially full compromise of the WordPress environment.\nThe vulnerability is inherent to the plugin's logic in handling user role assignments and privilege validation, making it susceptible to exploitation by authenticated users with standard or limited permissions.\nNo specific mention is made of advanced user interaction requirements, suggesting that direct interaction with the vulnerable endpoint or API function is sufficient for exploitation.",
  "technicalDetails": "The vulnerability originates from a deficiency in the input validation and capability verification logic within the WP ManageNinja LLC Fluent CRM plugin. Specifically, the component responsible for managing user roles and permissions fails to adequately enforce authorization checks during critical state-changing operations.\nIn WordPress, secure implementation requires the use of 'current_user_can()' or similar checks prior to executing functions that modify user roles or privilege levels. The root cause of this vulnerability is the absence or improper implementation of these checks within the plugin's administrative processing logic. Consequently, the application processes requests to update user metadata or roles without verifying if the requesting user possesses the requisite administrative capabilities.\nThe attack flow commences with an authenticated attacker—potentially holding a low-privileged account such as a subscriber or contributor—intercepting or crafting a request destined for the vulnerable Fluent CRM endpoint. The attacker identifies the parameters responsible for defining the user role or capability set. By crafting a malformed request, the attacker triggers the insecure function within the plugin that governs role reassignment.\nBecause the vulnerable component does not validate the security context of the requester, it proceeds to update the user account's permissions in the WordPress 'wp_usermeta' table based on the attacker's payload. This results in the elevation of the attacker's account privileges, effectively bypassing the role-based access control (RBAC) model implemented by WordPress.\nExploitation is facilitated through the manipulation of plugin-specific HTTP requests. Once the privilege escalation is successful, the attacker can leverage their newly acquired permissions to access restricted administrative menus, execute sensitive plugin functions, or perform actions that would otherwise be prohibited, such as modifying global CRM configurations or accessing proprietary client data. Post-exploitation, the attacker maintains a persistent administrative foothold, which can be utilized for further lateral movement or to install malicious payloads within the WordPress infrastructure. The vulnerability is effective across the specified versions (n/a through 3.2.5) due to the underlying logic flaw that persists until addressed by a hardened codebase."
}