CVE-2024-4606 in Ultimate Store Kit Elementor Addons Plugin
Summary
by MITRE • 05/14/2024
Deserialization of Untrusted Data vulnerability in BdThemes Ultimate Store Kit Elementor Addons.This issue affects Ultimate Store Kit Elementor Addons: from n/a through 1.6.2.
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Analysis
by VulDB Data Team • 08/28/2024
The CVE-2024-4606 vulnerability represents a critical deserialization of untrusted data flaw within the BdThemes Ultimate Store Kit Elementor Addons plugin, which serves as a popular extension for the Elementor page builder platform. This vulnerability exists in versions ranging from the initial release through 1.6.2, creating a significant security risk for WordPress websites that utilize this plugin. The issue stems from the plugin's improper handling of serialized data structures that originate from user-controlled inputs, allowing malicious actors to manipulate the deserialization process and execute arbitrary code on affected systems.
The technical nature of this vulnerability aligns with CWE-502, which specifically addresses the deserialization of untrusted data as a means for attackers to execute malicious code. In the context of Elementor addons, this flaw occurs when the plugin processes serialized data without adequate validation or sanitization, particularly within the Ultimate Store Kit functionality. Attackers can exploit this weakness by crafting malicious serialized objects that, when processed by the vulnerable plugin, trigger unintended code execution. The vulnerability essentially allows for remote code execution, as the serialized data can contain malicious payloads that are executed during the deserialization phase, bypassing normal security controls and access restrictions.
The operational impact of CVE-2024-4606 extends beyond simple data corruption or service disruption, as it enables full system compromise for affected WordPress installations. An attacker who successfully exploits this vulnerability can gain complete administrative control over the compromised website, potentially leading to data theft, defacement, or the deployment of malware. This risk is particularly severe because Elementor plugins are widely used across various websites, making the attack surface substantial. The vulnerability can be exploited through multiple vectors including user profile modifications, contact forms, or any input field that processes serialized data within the plugin's functionality. The attack chain typically involves crafting a malicious serialized object that, when deserialized, executes arbitrary commands on the server, potentially leading to complete system compromise.
Mitigation strategies for CVE-2024-4606 should prioritize immediate plugin updates to version 1.6.3 or later, which contains the necessary patches to address the deserialization vulnerability. Organizations should also implement network-level protections including firewall rules that restrict access to plugin endpoints and monitor for suspicious serialized data patterns in web traffic logs. Security professionals should consider implementing runtime application self-protection measures and input validation controls to prevent untrusted data from reaching the deserialization process. Additionally, the principle of least privilege should be enforced by restricting file permissions and ensuring that web server processes operate with minimal required privileges. The vulnerability also highlights the importance of following secure coding practices such as those recommended in the OWASP Secure Coding Practices and aligns with ATT&CK technique T1059.007 for remote code execution through web shells, emphasizing the need for comprehensive security monitoring and incident response capabilities.