CVE-2024-44009 in WCFM Marketplace Plugin
Summary
by MITRE • 09/18/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WC Lovers WCFM Marketplace wc-multivendor-marketplace allows Reflected XSS.This issue affects WCFM Marketplace: from n/a through <= 3.6.11.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 04/02/2026
This vulnerability represents a classic cross-site scripting flaw that undermines the security posture of the WC Lovers WCFM Marketplace plugin. The issue manifests as improper neutralization of input during web page generation, creating an avenue for malicious actors to inject and execute arbitrary scripts within the context of affected users' browsers. The vulnerability specifically impacts versions of the plugin ranging from the initial release through version 3.6.11, indicating a prolonged window of exposure for affected systems. This reflected cross-site scripting vulnerability occurs when user-supplied input is not properly sanitized before being rendered in web pages, allowing attackers to craft malicious payloads that get executed when other users view the affected content.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the plugin's web page generation process. When the WCFM Marketplace processes user input through various interface elements, the system fails to adequately sanitize or escape data before incorporating it into dynamic web content. This allows attackers to inject malicious script code through parameters or form fields that are then reflected back to users who access the compromised pages. The reflected nature of this vulnerability means that the malicious payload must be crafted to be passed through the application's input processing and immediately reflected back in the response, typically via URL parameters or form submissions.
The operational impact of this vulnerability extends beyond simple script execution, potentially enabling attackers to perform session hijacking, deface websites, steal sensitive user data, or redirect victims to malicious sites. An attacker could exploit this vulnerability by crafting a malicious URL containing XSS payloads that, when clicked by an authenticated user with appropriate privileges, would execute the malicious code in the victim's browser context. This could lead to unauthorized access to administrative functions, modification of product listings, customer data theft, or even complete compromise of the affected e-commerce platform. The vulnerability particularly threatens users with elevated privileges such as administrators or vendors who manage marketplace operations, as successful exploitation could provide attackers with full control over the plugin's functionality and associated data.
Security professionals should prioritize immediate remediation by upgrading to the latest version of the WCFM Marketplace plugin where this vulnerability has been addressed. The mitigation strategy should also include implementing comprehensive input validation mechanisms and output encoding practices throughout the application's codebase, following established security frameworks such as the OWASP Top Ten and CWE guidelines for preventing cross-site scripting vulnerabilities. Organizations should conduct thorough security assessments of their plugin ecosystem and implement proper web application firewalls to detect and block suspicious input patterns. Additionally, regular security audits and code reviews should be conducted to identify similar input sanitization issues that may exist within other components of the web application, as this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws. The ATT&CK framework categorizes this as a web application vulnerability exploitation technique under the 'Command and Control' and 'Initial Access' phases, emphasizing the need for layered defensive measures including network segmentation, user access controls, and continuous monitoring of application logs for suspicious activities.