Reflected Cross-Site Scripting in ShopBuilder Elementor WooCommerce Builder Addons

Executive Summary

This is a reflected Cross-Site Scripting (XSS) vulnerability in the ShopBuilder – Elementor WooCommerce Builder Addons WordPress plugin. It allows attackers to inject malicious scripts into web pages by tricking users into clicking a specially crafted link or submitting a form. The vulnerability exists due to improper neutralization of user input during web page generation.

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Detection Guidance

Detecting this XSS vulnerability typically involves checking for outdated versions of the ShopBuilder plugin. Inspect your WordPress site for the plugin version via the admin dashboard or database. Use commands like 'grep -r "ShopBuilder" /path/to/wordpress/plugins/' to search for the plugin files. Monitor web server logs for suspicious input patterns or unexpected script injections.

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Impact Analysis

An attacker could exploit this to steal visitor data, hijack user accounts, or perform actions on behalf of users. The attack requires a user to interact with a malicious link or form, making phishing or social engineering tactics common vectors for exploitation.

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Compliance Impact

This vulnerability could lead to unauthorized access to user data, potentially violating GDPR (data protection) and HIPAA (health information privacy) requirements. Organizations may face legal penalties, reputational damage, and loss of customer trust if exploited.

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Mitigation Strategies

Immediately update the ShopBuilder plugin to version 3.4.2 or later. If updating is not possible, apply mitigation rules provided by Patchstack to block XSS attacks. Remove or disable the vulnerable plugin if no update is available. Restrict user privileges to minimize the risk of exploitation.

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