CVE-2024-4530 in Business Card Plugin
Summary
by MITRE • 05/27/2024
The Business Card WordPress plugin through 1.0.0 does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions such as editing card categories via CSRF attacks
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Analysis
by VulDB Data Team • 03/28/2025
The Business Card WordPress plugin version 1.0.0 contains a critical cross-site request forgery vulnerability that undermines the security of authenticated users. This flaw exists in the plugin's administrative interfaces where proper CSRF protection mechanisms are absent, creating a pathway for malicious actors to exploit authenticated sessions. The vulnerability specifically affects the card category editing functionality, allowing attackers to manipulate user data without their knowledge or consent. Such a weakness represents a fundamental failure in the plugin's security architecture and exposes WordPress installations to unauthorized administrative actions.
The technical implementation of this vulnerability stems from the absence of CSRF tokens in critical administrative endpoints within the plugin's codebase. When users access the plugin's administrative interface, their authentication state is sufficient to grant access to sensitive operations, but no anti-CSRF measures are implemented to validate the authenticity of requests. This allows attackers to craft malicious requests that appear to originate from legitimate authenticated users. The vulnerability is classified under CWE-352, which specifically addresses Cross-Site Request Forgery issues in software applications. The flaw demonstrates poor secure coding practices where the principle of least privilege and request validation are not properly enforced.
The operational impact of this vulnerability extends beyond simple data manipulation, as it enables attackers to perform unauthorized administrative actions that can significantly compromise the integrity of WordPress installations. An attacker could exploit this vulnerability to modify card categories, potentially disrupting the plugin's functionality or creating misleading content within the business card directory. The attack surface is particularly concerning because it targets authenticated sessions, meaning that any user with administrative privileges could be exploited. This vulnerability aligns with ATT&CK technique T1078.004, which covers valid accounts and credential access through the exploitation of session management weaknesses. The potential for privilege escalation and data corruption makes this a high-severity issue that requires immediate attention.
Mitigation strategies for this vulnerability must include immediate implementation of CSRF protection mechanisms within the plugin's administrative interfaces. The recommended approach involves generating and validating unique anti-CSRF tokens for each user session and ensuring that all state-changing operations require proper token validation. WordPress plugin developers should implement nonce verification for all administrative actions and ensure that the plugin's security measures align with industry standards such as those defined in the OWASP Top Ten. Users should update to the latest version of the plugin as soon as available and implement additional security layers including web application firewalls and regular security audits. The vulnerability also highlights the importance of comprehensive security testing during plugin development and the necessity of following secure coding practices to prevent similar issues in the future.