CVE-2026-59553 in Product Feed Manager Plugin
Summary
by MITRE • 07/27/2026
Unauthenticated Cross Site Scripting (XSS) in Product Feed Manager <= 7.6.1 versions.
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Analysis
by VulDB Data Team • 07/27/2026
This vulnerability represents a critical security flaw in the Product Feed Manager plugin for WordPress systems, affecting all versions up to and including 7.6.1. The issue manifests as an unauthenticated cross site scripting vulnerability that allows remote attackers to inject malicious scripts into web pages viewed by users without requiring any authentication credentials or privileges. The vulnerability resides in how the plugin processes and handles user input within its product feed management functionality, specifically in the way it renders data from external sources or user-provided content.
The technical exploitation occurs when malicious actors craft specially formatted product feed data or manipulate input parameters that are then processed by the vulnerable plugin. When legitimate users access pages containing this compromised feed data, their browsers execute the injected malicious scripts within the context of the affected website. This vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications and aligns with ATT&CK technique T1566.001 for initial access through malicious content delivery. The impact extends beyond simple script execution as it can enable session hijacking, data theft, redirection to malicious sites, and potential privilege escalation if users have administrative access.
The operational implications are severe as this vulnerability affects any WordPress site using the affected Product Feed Manager plugin version. Attackers can leverage this weakness to steal user sessions, deface websites, redirect visitors to phishing sites, or harvest sensitive information from authenticated users. The unauthenticated nature means that even non-privileged attackers can exploit this vulnerability without needing to compromise legitimate user credentials first. Organizations relying on product feed management for e-commerce operations face significant risk as the compromised feeds could contain malicious scripts that affect thousands of visitors simultaneously.
Mitigation strategies should prioritize immediate plugin updates to versions 7.6.2 or later where the XSS vulnerability has been patched. System administrators should implement comprehensive input validation and output sanitization measures to prevent similar issues in other custom code. Web Application Firewalls can provide additional protection layers, though they should not be considered a replacement for proper code fixes. Security monitoring should include detection of unusual feed data patterns and unauthorized modifications to product content. Regular vulnerability scanning and security audits of third-party plugins remain essential practices for maintaining web application security posture, particularly when dealing with plugins that handle external data feeds and user-generated content.