CVE-2026-28070 in WP eMember Plugin
Summary
by MITRE • 03/19/2026
Missing Authorization vulnerability in Tips and Tricks HQ WP eMember allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP eMember: from n/a through v10.2.2.
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Analysis
by VulDB Data Team • 03/19/2026
This vulnerability represents a critical access control flaw in the WP eMember plugin for WordPress systems, specifically impacting versions through 10.2.2. The missing authorization issue stems from improper configuration of security levels that should enforce strict access controls for sensitive administrative functions. The vulnerability allows attackers to bypass intended access restrictions and exploit functionalities that should be limited to authorized users only, creating a pathway for unauthorized modifications and potential system compromise. This type of flaw directly violates fundamental security principles and represents a failure in the principle of least privilege enforcement within the application's access control mechanisms.
The technical implementation of this vulnerability occurs when the plugin fails to properly validate user permissions before executing sensitive operations or exposing administrative interfaces. Attackers can leverage this weakness to access restricted areas of the plugin's functionality without proper authentication or authorization credentials. The flaw likely manifests in the plugin's code where access control checks are either absent, incorrectly implemented, or bypassed through predictable patterns in the application logic. This misconfiguration creates a security boundary failure that allows privilege escalation and unauthorized access to sensitive administrative features that should only be available to legitimate administrators or users with appropriate clearance levels.
The operational impact of this vulnerability extends beyond simple unauthorized access to potentially enable complete system compromise. An attacker exploiting this missing authorization flaw could gain access to member management functions, modify user permissions, access sensitive data, or even execute arbitrary code within the WordPress environment. The vulnerability affects the entire WordPress ecosystem where WP eMember is installed, potentially allowing attackers to escalate privileges and move laterally within the network. This type of access control failure can lead to data breaches, unauthorized modifications to membership databases, and potential full system compromise, making it particularly dangerous in environments where the plugin manages sensitive user information or critical business data.
Organizations should immediately implement mitigations including updating to the latest version of WP eMember where the vulnerability has been patched, reviewing and strengthening access control configurations, and implementing additional monitoring for unauthorized access attempts. Security controls should include regular access control reviews, implementation of network segmentation, and deployment of intrusion detection systems to monitor for suspicious access patterns. The vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and maps to ATT&CK technique T1078 for valid accounts and T1566 for credential harvesting. Organizations should also conduct thorough security assessments of their WordPress installations, implement role-based access controls, and ensure proper input validation and authorization checks are in place across all plugin components. Regular security audits and vulnerability scanning should be performed to identify similar access control weaknesses in other system components.