CVE-2024-56252 in Enter Addons Plugin
Summary
by MITRE • 01/02/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeLooks Enter Addons allows Stored XSS.This issue affects Enter Addons: from n/a through 2.1.9.
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Analysis
by VulDB Data Team • 02/16/2025
This vulnerability represents a critical cross-site scripting flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The vulnerability exists within the ThemeLooks Enter Addons plugin, specifically in the way it processes and generates web content, creating an environment where user input is not properly sanitized before being rendered in web pages. The stored nature of this XSS vulnerability means that malicious payloads persist in the application's database or storage systems, allowing attackers to execute code against users who view affected pages without requiring additional interaction from the victim.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization mechanisms within the plugin's content generation processes. When users submit data through forms or other input methods, the system fails to properly neutralize potentially malicious content that could contain script tags or other executable code sequences. This flaw allows attackers to inject malicious JavaScript code that gets stored in the application's database and subsequently executed whenever legitimate users access pages containing the compromised content. The vulnerability affects all versions of Enter Addons up to and including version 2.1.9, indicating a widespread exposure across multiple releases of the plugin.
The operational impact of this vulnerability is significant as it provides attackers with persistent access to user sessions and potentially sensitive information. An attacker who successfully exploits this stored XSS vulnerability can execute malicious scripts in the context of any user's browser who visits affected pages, enabling session hijacking, credential theft, or redirection to malicious sites. The stored nature of the vulnerability means that the attack vector can be maintained over extended periods without requiring repeated exploitation attempts, making it particularly dangerous for websites that rely on user-generated content or administrative interfaces. This vulnerability directly maps to CWE-79 which describes improper neutralization of input during web page generation, and aligns with ATT&CK technique T1531 which covers the use of malicious code in web applications.
Mitigation strategies should focus on implementing comprehensive input sanitization and output encoding mechanisms throughout the application's data processing pipeline. Organizations should immediately update to the latest version of Enter Addons where this vulnerability has been patched, as version 2.1.10 and later releases contain the necessary security fixes. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against script execution, while regular security audits of user input handling processes should be conducted to identify potential similar vulnerabilities. The implementation of proper input validation frameworks and regular security testing procedures can help prevent such vulnerabilities from occurring in future development cycles.