CVE-2026-96814 in WooCommerce Product Table Lite Plugin
Summary
by MITRE • 09/30/2026
Unauthenticated Cross Site Scripting (XSS) in WooCommerce Product Table Lite <= 5.6.7 versions.
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Analysis
by VulDB Data Team • 09/30/2026
The vulnerability identified as an unauthenticated cross-site scripting flaw within the WooCommerce Product Table Lite plugin, affecting versions up to and including 5.6.7, represents a significant security risk for websites relying on this extension for product display functionality. This specific type of injection attack allows malicious actors to inject client-side scripts into web pages viewed by other users without requiring any form of authentication or prior login credentials. The absence of an access control requirement means that the vulnerability is remotely exploitable by any internet user, significantly lowering the barrier to entry for attackers and increasing the likelihood of successful exploitation in real-world scenarios where such plugins are widely deployed across e-commerce platforms.
From a technical perspective, the root cause lies in insufficient input validation and output encoding mechanisms within the plugin's codebase. When processing data submitted through various endpoints or parameters handled by the Product Table Lite extension, the application fails to properly sanitize user-supplied input before rendering it in the browser context. This oversight allows attackers to craft malicious payloads containing JavaScript code that bypasses standard filtering rules. Once executed, these scripts run with the same privileges as legitimate website content, effectively granting the attacker control over the victim's browsing session within the context of the targeted domain.
The operational impact of this vulnerability is severe and multifaceted. The primary consequence involves the compromise of user confidentiality and integrity through account hijacking attacks. By injecting malicious JavaScript, an attacker can steal sensitive information such as session cookies, authentication tokens, or personally identifiable information entered by customers into forms on the site. This stolen data can then be exfiltrated to a remote server controlled by the adversary, facilitating unauthorized access to customer accounts or administrative panels if valid credentials are captured. Furthermore, this vulnerability enables phishing attacks where attackers can inject deceptive login pages or fraudulent transaction prompts that mimic legitimate parts of the e-commerce store, thereby tricking users into revealing their own credentials or financial details under false pretenses.
Additionally, the exploitation of this flaw allows for defacement and reputation damage to the affected website. Attackers can alter the visual presentation of product tables, display malicious advertisements, or redirect visitors to harmful external sites hosting malware. This not only disrupts normal business operations but also erodes customer trust in the brand's security posture. In some cases, if combined with other vulnerabilities such as cross-site request forgery weaknesses, this XSS flaw could potentially be leveraged to perform administrative actions on behalf of authenticated users who are currently logged into the WordPress dashboard, leading to full site compromise and potential data breaches involving sensitive business records or customer databases.
To mitigate this risk, immediate action is required by website administrators and developers. The most effective remediation strategy is to upgrade the WooCommerce Product Table Lite plugin to a version newer than 5.6.7, where these input validation issues have presumably been addressed by the vendor through proper sanitization of all user inputs and strict output encoding using functions like wp_kses or esc_html depending on the context. For organizations unable to update immediately due to compatibility constraints, implementing a Web Application Firewall is recommended as an interim measure. Such firewalls can detect and block common XSS patterns in HTTP requests before they reach the application logic. Furthermore, enforcing Content Security Policy headers that restrict script execution sources can significantly reduce the impact of any successfully injected scripts by preventing them from loading external resources or executing arbitrary code unless explicitly whitelisted.
This vulnerability aligns with CWE-79, which classifies Improper Neutralization of Input During Web Page Generation commonly known as Cross-site Scripting. It also maps to specific techniques within the MITRE ATT&CK framework, particularly T1059.007 for JavaScript execution and potentially T1189 if used in drive-by download scenarios or phishing campaigns. Understanding these mappings helps security teams prioritize patching efforts based on standardized threat intelligence frameworks. Regular security audits, static code analysis tools configured to detect XSS patterns, and manual penetration testing focused on input handling mechanisms are essential practices to prevent similar vulnerabilities from being introduced into the application codebase during future development cycles. Maintaining a rigorous update policy for all third-party WordPress plugins remains one of the most critical defenses against such widespread exploitation vectors in modern web ecosystems.