CVE-2026-66438 in Exclusive Addons Plugin
Summary
by MITRE • 07/27/2026
Unauthenticated Sensitive Data Exposure in Exclusive Addons Elementor <= 2.8.0 versions.
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Analysis
by VulDB Data Team • 07/27/2026
The vulnerability identified as unauthenticated sensitive data exposure in Exclusive Addons Elementor plugin affects versions up to and including 2.8.0, representing a critical security flaw that allows unauthorized users to access protected information without proper authentication. This issue stems from inadequate access controls within the plugin's code implementation, where sensitive data remains accessible through direct API endpoints or file access patterns that do not properly validate user credentials or session states.
The technical root cause of this vulnerability can be classified under CWE-200, which describes the exposure of sensitive information to an unauthorized actor. The flaw manifests when the Exclusive Addons Elementor plugin fails to implement proper authorization checks before serving content that should only be accessible to authenticated administrators or specific user roles. This allows any remote attacker to potentially extract configuration settings, user data, database credentials, or other confidential information simply by accessing specific endpoints or files within the plugin's directory structure.
From an operational impact perspective, this vulnerability creates significant risks for WordPress websites utilizing the affected plugin versions. Attackers can exploit this weakness to gain insights into website architecture, user management systems, and potentially extract sensitive configuration parameters that could facilitate further attacks. The exposure of such data could lead to privilege escalation attempts, data breaches, or serve as a foothold for more sophisticated attacks within the compromised environment.
The ATT&CK framework categorizes this vulnerability under T1213 - Data from Information Repositories, where attackers can harvest sensitive information through improperly secured access points. Additionally, it relates to T1566 - Phishing with Social Engineering, as the weakness may enable attackers to gather information that could be used for targeted social engineering campaigns against website administrators or users.
Mitigation strategies should include immediate upgrading to a patched version of the Exclusive Addons Elementor plugin where available, implementing proper access controls at the web server level, and conducting thorough security audits of all installed WordPress plugins. Administrators should also review and restrict file permissions, implement network-level access controls, and consider deploying web application firewalls to monitor and block suspicious access patterns targeting known vulnerable endpoints. Regular vulnerability scanning and penetration testing should be conducted to identify similar weaknesses in other components of the web infrastructure.