CVE-2026-105056 in eCommerce Product Catalog Plugin
Summary
by MITRE • 10/05/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in impleCode eCommerce Product Catalog ecommerce-product-catalog allows Stored XSS.This issue affects eCommerce Product Catalog: from n/a through 3.6.2.
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Analysis
by VulDB Data Team • 10/05/2026
The identified security flaw represents a classic instance of Improper Neutralization of Input During Web Page Generation, commonly known as Cross-Site Scripting or XSS. Specifically, this vulnerability manifests as a Stored XSS within the impleCode eCommerce Product Catalog plugin for WordPress, affecting versions ranging from n/a through 3.6.2. Unlike reflected XSS attacks where malicious scripts are executed immediately upon request, stored vulnerabilities persist on the target server. In this context, an attacker can inject malicious JavaScript code into data fields that are subsequently saved to a database or persistent storage mechanism within the application. When other users view the affected pages of the eCommerce product catalog, the browser retrieves and executes this pre-stored script without any additional user interaction beyond loading the page. This persistence makes stored XSS particularly dangerous as it can impact multiple victims over an extended period until the malicious content is manually removed from the database or the vulnerable code path is patched.
From a technical perspective, the root cause lies in the failure of the application to properly sanitize or encode user-supplied input before rendering it within HTML contexts. The plugin likely accepts data such as product descriptions, customer reviews, or contact form submissions and inserts them directly into the DOM without applying appropriate output encoding functions like htmlspecialchars() or wp_kses(). This allows special characters that have meaning in HTML, such as angle brackets and quotation marks, to be interpreted by the browser as part of a script tag rather than literal text. Consequently, an attacker can craft payloads that break out of their intended data container and execute arbitrary JavaScript within the context of the victim's session. The severity is amplified because the malicious code resides on the server-side storage, ensuring it loads automatically for every visitor who accesses the compromised content, thereby maximizing the potential blast radius of a single injection point.
The operational impact of this vulnerability extends beyond simple defacement or alert boxes. Attackers can leverage stored XSS to perform session hijacking by stealing sensitive cookies containing authentication tokens and session identifiers. By exfiltrating these credentials, an attacker can impersonate legitimate users, including administrators, gaining unauthorized access to the WordPress dashboard and backend systems. Furthermore, attackers may deploy keyloggers to capture login credentials entered on other pages within the same domain or redirect victims to phishing sites designed to steal personal information. In e-commerce environments specifically, this could lead to financial fraud if an attacker manipulates transaction details or accesses customer payment data stored in associated databases. The trust relationship between the user and the website is fundamentally compromised, leading to potential reputational damage and loss of consumer confidence.
This vulnerability maps directly to CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') within the Common Weakness Enumeration framework. In terms of offensive security tactics, it aligns with MITRE ATT&CK technique T1059.007: Command and Control via Network Protocol: JavaScript, specifically under the sub-technique for Stored XSS which facilitates persistent access and lateral movement after initial compromise. To mitigate this risk, immediate action is required to update the impleCode eCommerce Product Catalog plugin to a version newer than 3.6.2 where these input validation issues have been addressed by the developers. If an upgrade is not immediately feasible, administrators should implement strict Content Security Policy headers that restrict script execution sources and disable inline scripts using nonce-based or hash-based policies. Additionally, deploying a Web Application Firewall can provide a layer of defense by filtering out known XSS payloads in HTTP requests before they reach the application logic. Regular security audits and code reviews focusing on input sanitization and output encoding practices are essential to prevent similar vulnerabilities from being introduced in future updates.