CVE-2022-3244 in Import all XML, CSV & TXT Plugin
Summary
by MITRE • 10/17/2022
The Import all XML, CSV & TXT WordPress plugin before 6.5.8 does not have authorisation in some places, which could allow any authenticated users to access some of the plugin features if they manage to get the related nonce
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Analysis
by VulDB Data Team • 05/13/2025
The vulnerability identified as CVE-2022-3244 affects the Import all XML CSV & TXT WordPress plugin version 6.5.7 and earlier, representing a critical authorization flaw that undermines the security posture of WordPress installations. This issue stems from insufficient access controls within the plugin's codebase, specifically in certain administrative functions that should require proper authentication and authorization checks. The vulnerability allows any authenticated user to potentially exploit plugin features that are intended for administrators or privileged users, creating a significant security risk for WordPress sites that rely on this plugin for data import operations.
The technical flaw manifests in the plugin's handling of nonces and authorization checks, where the system fails to properly validate user permissions before granting access to sensitive administrative functions. Nonces in WordPress serve as one-time tokens that verify the authenticity of requests and prevent unauthorized access to administrative features. In this case, the plugin's implementation appears to rely on nonce validation alone without proper user role verification, creating a path for privilege escalation attacks. Attackers who can obtain valid nonces through legitimate means can potentially access plugin functionality that should be restricted to administrators, including import operations that could lead to data manipulation or system compromise.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it creates opportunities for data integrity violations and potential system compromise. Any authenticated user with access to the WordPress site can potentially exploit this flaw to perform import operations that might introduce malicious data, manipulate existing content, or access sensitive information through the plugin's interface. This vulnerability particularly affects WordPress sites where multiple users have accounts, as it removes the effective barrier between regular users and administrative plugin features. The risk is compounded by the fact that many WordPress sites may not regularly audit user permissions or monitor for unauthorized plugin access attempts.
Security professionals should address this vulnerability by immediately updating to version 6.5.8 or later of the Import all XML CSV & TXT plugin, as this release contains the necessary authorization fixes. Organizations should also implement comprehensive monitoring for unauthorized access attempts and review user permissions to ensure that only trusted administrators have access to potentially sensitive plugin functions. The vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and represents a clear violation of the principle of least privilege that is fundamental to secure system design. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and unauthorized access to system resources, potentially enabling adversaries to move laterally within compromised WordPress environments.
The remediation process requires careful attention to ensure that the update does not introduce compatibility issues with existing import workflows or data processing pipelines. System administrators should conduct thorough testing of the updated plugin in staging environments before deployment to production systems. Additionally, organizations should consider implementing additional security controls such as web application firewalls that can monitor for suspicious nonce usage patterns and unauthorized access attempts. Regular security audits of WordPress plugins and themes should be conducted to identify similar authorization flaws that may exist in other components of the WordPress ecosystem. The vulnerability demonstrates the importance of maintaining current security practices and the necessity of regularly updating third-party software components to protect against known security flaws that can be exploited by threat actors.