CVE-2025-48240 in Cost of Goods for WooCommerce Plugin
Summary
by MITRE • 05/19/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPFactory Cost of Goods for WooCommerce allows Stored XSS. This issue affects Cost of Goods for WooCommerce: from n/a through 3.7.0.
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Analysis
by VulDB Data Team • 05/19/2025
This vulnerability represents a critical cross-site scripting flaw in the WPFactory Cost of Goods for WooCommerce plugin, specifically targeting version ranges from an unspecified initial version through 3.7.0. The vulnerability stems from improper input sanitization during web page generation processes, creating a persistent security weakness that enables attackers to inject malicious scripts into the application's output. The stored nature of this XSS vulnerability means that malicious payloads are not limited to reflected attacks but can be permanently embedded within the application's database or storage mechanisms, making them particularly dangerous as they persist across multiple user sessions and interactions.
The technical implementation of this vulnerability occurs when user-supplied input intended for cost calculation or product pricing data is not adequately sanitized before being rendered in web pages. This failure in input validation allows attackers to submit malicious script code through legitimate input fields that are then stored within the plugin's data structures. When other users access pages containing this stored data, the malicious scripts execute within their browser context, potentially compromising user sessions, stealing sensitive information, or redirecting users to malicious websites. The vulnerability directly maps to CWE-79 which defines Cross-Site Scripting as a common web application security flaw where untrusted data is executed as code in the user's browser.
From an operational perspective, this vulnerability creates significant risk for WooCommerce stores using the affected plugin, as it allows attackers to manipulate the application's user interface and potentially gain unauthorized access to sensitive data. The stored XSS nature means that once an attacker successfully injects malicious code, it will affect all users who view the compromised pages, including store administrators and customers. Attackers could exploit this vulnerability to steal user cookies, modify product information, manipulate pricing data, or even redirect users to phishing sites that mimic legitimate store interfaces. The impact extends beyond simple data theft to potential business disruption and loss of customer trust, as users may be unknowingly exposed to malicious content during their shopping experience.
Security mitigations for this vulnerability should focus on implementing comprehensive input sanitization and output encoding mechanisms throughout the plugin's data handling processes. The recommended approach involves applying strict validation to all user inputs before storage, implementing proper HTML escaping for all dynamic content rendered in web pages, and employing Content Security Policy headers to limit script execution capabilities. Organizations should immediately update to the latest available version of the Cost of Goods for WooCommerce plugin, as version 3.7.1 or higher should contain patches addressing this specific XSS vulnerability. Additionally, implementing web application firewalls and monitoring for suspicious input patterns can provide additional layers of defense. The vulnerability also aligns with ATT&CK technique T1566 which covers social engineering attacks through malicious input, making it essential for security teams to monitor user activity and implement proper access controls to limit potential exploitation scope.