CVE-2024-27970 in WP SendFox Plugin
Summary
by MITRE • 04/11/2024
Missing Authorization vulnerability in BogdanFix WP SendFox.This issue affects WP SendFox: from n/a through 1.3.0.
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Analysis
by VulDB Data Team • 05/03/2024
The CVE-2024-27970 vulnerability represents a critical missing authorization flaw within the WP SendFox plugin for WordPress platforms. This vulnerability exists in versions ranging from the initial release through version 1.3.0, creating a persistent security gap that could allow unauthorized users to access protected administrative functions. The flaw stems from inadequate validation of user permissions before executing sensitive operations, which violates fundamental security principles of access control and privilege management.
This vulnerability falls under the CWE-863 category of "Incorrect Authorization" and aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation. The technical implementation error occurs when the plugin fails to properly verify whether the requesting user possesses sufficient privileges to perform specific administrative tasks. Attackers can exploit this weakness to execute unauthorized actions such as modifying campaign settings, accessing subscriber data, or manipulating email delivery configurations without proper authentication. The vulnerability essentially allows any authenticated user, regardless of their role level, to bypass normal access controls and perform operations typically restricted to administrators or privileged users.
The operational impact of this vulnerability extends beyond simple data exposure to encompass potential system compromise and data integrity violations. An attacker with access to a low-privilege user account could leverage this flaw to escalate their privileges within the WordPress environment, potentially leading to complete system takeover. The affected WP SendFox plugin manages email marketing automation and subscriber management functionalities, making the compromised data particularly valuable for malicious actors. This vulnerability directly impacts the principle of least privilege and could enable attackers to manipulate email campaigns, steal subscriber information, or disrupt legitimate business operations. The extended attack surface includes potential data exfiltration, spamming capabilities, and the ability to modify core plugin configurations that affect email delivery and user management.
Mitigation strategies should prioritize immediate plugin updates to versions that address the authorization flaw, as well as implementation of network-level access controls and monitoring of unauthorized administrative activities. Security teams should conduct comprehensive audits of user roles and permissions within WordPress installations, ensuring that only authorized personnel maintain administrative access. Additional protective measures include implementing web application firewalls, establishing robust logging and alerting mechanisms for suspicious administrative activities, and performing regular security assessments of third-party plugins. The vulnerability demonstrates the critical importance of proper authorization checking in web applications and highlights the need for continuous security validation of all user interactions, particularly those involving sensitive administrative functions. Organizations should also consider implementing principle-based access control models and regularly review their plugin ecosystem for similar authorization flaws that could compromise system integrity.