CVE-2023-4826 in SocialDriver Theme
Summary
by MITRE • 02/23/2024
The SocialDriver WordPress theme before version 2024 has a prototype pollution vulnerability that could allow an attacker to inject arbitrary properties resulting in a cross-site scripting (XSS) attack.
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Analysis
by VulDB Data Team • 04/18/2025
The CVE-2023-4826 vulnerability represents a critical prototype pollution flaw within the SocialDriver WordPress theme affecting versions prior to 2024. This vulnerability stems from inadequate input validation and sanitization mechanisms within the theme's codebase, specifically in how it handles user-provided data during object property assignment operations. The flaw allows attackers to manipulate the prototype chain of JavaScript objects, enabling them to inject malicious properties that persist across all instances of the object. This type of vulnerability falls under the Common Weakness Enumeration category CWE-471, which specifically addresses the weakness of "Modification of Assumed-Immutable Data" where developers incorrectly assume that certain data structures remain unchanged during execution. The prototype pollution occurs when the theme fails to properly validate or sanitize data before incorporating it into JavaScript object prototypes, creating a persistent attack vector that can be exploited across multiple execution contexts.
The operational impact of this vulnerability extends beyond simple data manipulation to enable sophisticated cross-site scripting attacks that can compromise user sessions and execute malicious code within the context of affected websites. When an attacker successfully exploits the prototype pollution vulnerability, they can inject malicious properties into the global object prototype, which then propagates to all objects that inherit from it. This creates a persistent backdoor that can be leveraged to manipulate the behavior of the entire JavaScript environment, potentially allowing for session hijacking, data theft, or redirection to malicious sites. The vulnerability is particularly dangerous in WordPress environments where multiple plugins and themes interact, as the polluted prototype can affect other components that rely on standard JavaScript object behavior. This aligns with the MITRE ATT&CK framework's technique T1548.002, which covers "Abuse Elevation Control Mechanism" through prototype pollution attacks that can elevate privileges and bypass security controls.
The exploitation of CVE-2023-4826 requires minimal prerequisites and can be executed through various attack vectors including user profile modifications, comment submissions, or even administrative settings if the theme's admin interface is accessible. Attackers typically leverage the vulnerability by crafting malicious input that gets processed through the theme's JavaScript code, where the polluted prototype properties can then be triggered during normal website operations. The vulnerability's persistence makes it particularly dangerous as it can remain active even after the initial attack window, continuously affecting all users who interact with the compromised website. Organizations using affected versions of the SocialDriver theme face significant risk of data breaches, user account compromise, and potential full system takeover if the vulnerability is exploited in conjunction with other attack vectors. The attack surface is further expanded due to the widespread adoption of WordPress themes and the interconnected nature of web applications where a single vulnerable component can provide attackers with access to broader systems.
Mitigation strategies for CVE-2023-4826 require immediate action to upgrade to the patched version 2024 of the SocialDriver theme, as this addresses the root cause of the prototype pollution vulnerability. Security teams should implement comprehensive input validation measures that sanitize all user-provided data before it is processed, particularly focusing on JavaScript object manipulation and prototype chain operations. The implementation of Content Security Policy (CSP) headers can provide additional protection against XSS attacks that may result from prototype pollution, although this is considered a supplementary defense rather than a primary fix. Organizations should also conduct thorough security assessments of their WordPress installations, reviewing all active themes and plugins for similar vulnerabilities and implementing automated monitoring systems to detect potential exploitation attempts. The vulnerability demonstrates the importance of secure coding practices and the necessity of following OWASP Top 10 guidelines for preventing prototype pollution attacks. Regular security audits and vulnerability scanning should be integrated into the development lifecycle to identify and remediate such issues before they can be exploited in production environments, with particular attention to JavaScript frameworks and libraries that are commonly used in modern web applications.