CVE-2026-57709 in Membership for WooCommerce Plugin
Summary
by MITRE • 07/13/2026
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in WP Swings Membership For WooCommerce membership-for-woocommerce allows Path Traversal.This issue affects Membership For WooCommerce: from n/a through <= 3.1.0.
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Analysis
by VulDB Data Team • 07/13/2026
The vulnerability under discussion represents a critical path traversal flaw that exists within the WP Swings Membership For WooCommerce plugin, specifically impacting versions ranging from the initial release through version 3.1.0. This security weakness falls squarely under the category of improper limitation of pathname to restricted directories, a well-documented issue that has been classified as CWE-22 in the Common Weakness Enumeration catalog. The flaw allows malicious actors to manipulate file access patterns and potentially gain unauthorized access to sensitive system resources beyond the intended directory boundaries.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the plugin's file handling mechanisms. When users interact with membership features or upload/download files through the WooCommerce integration, the application fails to properly restrict pathnames to their designated directories. This allows attackers to craft malicious requests that traverse directory structures using sequences like "../" or similar path manipulation techniques to access files outside of the intended scope. The vulnerability is particularly dangerous because it operates at the file system level, potentially enabling attackers to read configuration files, database credentials, or even execute arbitrary code if combined with other exploitation vectors.
From an operational perspective, this path traversal vulnerability creates significant risks for WordPress sites utilizing the affected membership plugin. Attackers could exploit this weakness to access sensitive data including user credentials, payment information, and administrative configuration files that should remain protected within restricted directories. The impact extends beyond simple data theft as successful exploitation might enable attackers to modify core system files, install backdoors, or escalate privileges within the WordPress environment. Given that WooCommerce membership plugins typically handle sensitive user data and financial transactions, the potential damage from such an exploit could be substantial, affecting both business operations and customer trust.
Organizations running affected versions of the WP Swings Membership For WooCommerce plugin should immediately implement mitigation strategies to protect their systems. The primary recommendation involves upgrading to version 3.1.1 or later, which includes proper input validation and path restriction mechanisms. Additionally, system administrators should implement web application firewalls with rules specifically designed to detect and block path traversal attempts, particularly targeting patterns like "../" sequences in file access requests. Network segmentation and principle of least privilege configurations should be enforced to limit the potential impact even if exploitation occurs. The mitigation approach aligns with ATT&CK technique T1059.007 for command and script injection while also addressing defensive measures against T1213.002 data from information repositories. Security monitoring should include log analysis for suspicious file access patterns, particularly focusing on unusual directory traversal attempts that deviate from normal user behavior. Regular security audits and vulnerability assessments should be conducted to ensure comprehensive protection against similar weaknesses in other plugins or components of the WordPress ecosystem.