CVE-2024-47367 in WooCommerce Product Add-Ons Plugin
Summary
by MITRE • 10/06/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in YITHEMES YITH WooCommerce Product Add-Ons yith-woocommerce-product-add-ons allows Reflected XSS.This issue affects YITH WooCommerce Product Add-Ons: from n/a through <= 4.13.0.
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Analysis
by VulDB Data Team • 04/05/2026
This cross-site scripting vulnerability exists within the YITH WooCommerce Product Add-Ons plugin for WordPress, specifically affecting versions up to and including 4.13.0. The flaw resides in how the plugin processes user input during web page generation, creating an avenue for malicious actors to inject persistent script code into web pages viewed by other users. The vulnerability is classified as reflected XSS, meaning that malicious scripts are executed in the victim's browser when they view a page containing the malicious input. This type of vulnerability falls under CWE-79 which defines improper neutralization of input during web page generation as a critical weakness in web applications. The attack vector typically involves crafting malicious input parameters that are then reflected back to the user without proper sanitization or encoding, allowing the injected scripts to execute in the user's browser context.
The technical implementation of this vulnerability occurs when the plugin fails to properly sanitize or encode user-supplied data that gets rendered in HTML output. When users interact with the product add-ons functionality, particularly through form inputs, URL parameters, or other user-controllable fields, the plugin does not adequately neutralize potentially malicious content. This allows attackers to construct specially crafted requests containing script tags or other malicious code that gets executed when other users view the affected pages. The reflected nature of this vulnerability means that the malicious payload must be delivered to the victim through external means such as email links, social media posts, or compromised websites, making it particularly dangerous in environments where users may encounter untrusted content. The vulnerability operates at the application layer and can be exploited through standard HTTP methods, making it accessible to attackers with minimal technical expertise.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform various malicious activities including session hijacking, credential theft, redirection to malicious sites, and data exfiltration. An attacker could potentially steal administrator credentials, modify product information, or even completely compromise the WordPress installation by leveraging the XSS vulnerability to gain unauthorized access to sensitive administrative functions. The vulnerability affects the core functionality of the e-commerce platform, potentially disrupting business operations and compromising customer data. Given that this affects WooCommerce product add-ons, the impact could be significant for online retailers who rely on these features for customizing product offerings. The vulnerability also aligns with ATT&CK technique T1566 which covers social engineering tactics, as attackers often use XSS vulnerabilities to deliver malicious payloads through phishing campaigns or compromised web content.
Mitigation strategies for this vulnerability should include immediate patching to version 4.13.1 or later, which contains the necessary security fixes to neutralize the input sanitization flaws. Organizations should also implement comprehensive input validation and output encoding measures to prevent similar issues in the future. Security measures such as Content Security Policy (CSP) headers can provide additional protection layers against XSS attacks by restricting the sources from which scripts can be loaded. Regular security audits and penetration testing of web applications, particularly those handling user input, should be conducted to identify and remediate similar vulnerabilities. Network monitoring solutions should be configured to detect anomalous traffic patterns that might indicate exploitation attempts. The vulnerability also highlights the importance of keeping all WordPress plugins updated and following secure coding practices that emphasize input sanitization and output encoding as fundamental security controls. Organizations should consider implementing Web Application Firewalls (WAFs) that can detect and block common XSS attack patterns, providing an additional layer of protection against this class of vulnerability.