CVE-2024-33908 in WidgetKit Plugin
Summary
by MITRE • 05/06/2024
Missing Authorization vulnerability in Themesgrove WidgetKit.This issue affects WidgetKit: from n/a through 2.5.0.
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Analysis
by VulDB Data Team • 05/06/2024
The CVE-2024-33908 vulnerability represents a critical missing authorization flaw within the Themesgrove WidgetKit plugin, a widely used WordPress widget management tool that allows users to create and display various interactive elements on websites. This vulnerability exists in versions ranging from the initial release through 2.5.0, indicating a prolonged period during which the security flaw remained unaddressed. The issue specifically targets the plugin's authorization mechanisms, which are essential for ensuring that only authenticated and authorized users can access administrative functions and modify plugin settings. The vulnerability stems from inadequate validation of user permissions before executing sensitive operations, creating a pathway for unauthorized individuals to exploit the system's access controls.
The technical implementation of this missing authorization vulnerability manifests in the plugin's failure to properly verify user roles and capabilities before processing administrative requests. When users attempt to perform actions such as modifying widget configurations, accessing restricted settings, or executing administrative functions, the plugin does not sufficiently validate whether the requesting user possesses the necessary privileges. This flaw can be exploited by attackers who have gained access to the WordPress site through other means or by leveraging the plugin's exposed API endpoints. The vulnerability's impact is particularly severe because WidgetKit serves as a foundational component for many WordPress websites, making it an attractive target for attackers seeking to establish persistent access or escalate privileges within the affected systems.
From an operational standpoint, this vulnerability creates significant risks for WordPress site administrators and website owners who rely on WidgetKit for their site's functionality. Attackers can exploit this flaw to manipulate widget configurations, potentially injecting malicious code or redirecting traffic to malicious domains. The vulnerability also enables unauthorized users to access sensitive plugin settings that may contain configuration data, user information, or other system details that could be leveraged for further attacks. The attack surface is particularly concerning given that WidgetKit is designed to be easily accessible through the WordPress admin interface, making it a prime target for exploitation. This vulnerability directly relates to CWE-863, which addresses improper authorization scenarios where the system fails to verify that the subject has adequate access rights to perform the requested operation, and aligns with ATT&CK technique T1078.004 for valid accounts and T1547.001 for registry run keys for persistence.
Mitigation strategies for this vulnerability require immediate action from site administrators to update to the latest available version of WidgetKit where the authorization flaw has been patched. The patch implementation typically involves strengthening the plugin's access control mechanisms to ensure that all administrative functions properly validate user permissions before execution. Organizations should also implement additional security measures such as monitoring for unauthorized access attempts, reviewing user permissions regularly, and ensuring that only necessary users have administrative privileges within the WordPress system. Network-level protections including web application firewalls and intrusion detection systems can help identify and block exploitation attempts, while regular security audits of installed plugins and themes should be conducted to identify similar authorization flaws. The remediation process should also include reviewing WordPress user roles and capabilities to ensure that the principle of least privilege is maintained, and that administrators regularly update their plugins and themes to address known vulnerabilities. Given the nature of this vulnerability, organizations should also consider implementing additional logging and monitoring of administrative activities to detect potential exploitation attempts and maintain comprehensive security posture against similar authorization flaws.