CVE-2016-10951 in fs-shopping-cart Plugin
Summary
by MITRE
The fs-shopping-cart plugin 2.07.02 for WordPress has SQL injection via the pid parameter.
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Analysis
by VulDB Data Team • 12/19/2023
The fs-shopping-cart plugin version 2.07.02 for WordPress presents a critical SQL injection vulnerability that exploits improper input validation within the pid parameter handling mechanism. This vulnerability falls under the category of CWE-89 SQL Injection, where malicious actors can manipulate database queries by injecting arbitrary SQL code through the plugin's parameter processing. The flaw exists due to insufficient sanitization of user-supplied input before incorporating it into database queries, creating an attack surface that allows unauthorized data access and manipulation. The vulnerability is particularly dangerous because it targets a widely used e-commerce plugin that handles product information and shopping cart functionality, making it an attractive target for attackers seeking to compromise WordPress sites with online stores.
The technical exploitation of this vulnerability occurs when an attacker submits a malicious pid parameter value that contains SQL injection payload. The plugin fails to properly escape or validate the input before executing database queries, allowing attackers to inject malicious SQL commands that can execute with the privileges of the database user. This can result in unauthorized data retrieval, modification, or deletion of sensitive information including customer data, product catalogs, and transaction records. The attack vector is straightforward and requires minimal sophistication, as it only requires the attacker to manipulate the pid parameter in the URL or form submissions. The vulnerability can be leveraged to extract administrative credentials, modify product pricing, or even gain full database access depending on the underlying database permissions.
The operational impact of this vulnerability extends beyond simple data compromise to include potential service disruption and business continuity issues. Attackers can exploit the SQL injection to perform unauthorized database operations that may lead to data corruption, loss of inventory information, or manipulation of customer orders. The vulnerability affects WordPress sites that rely on the fs-shopping-cart plugin for their e-commerce functionality, potentially exposing thousands of websites to unauthorized access. The attack can result in financial losses, regulatory compliance violations, and reputational damage to businesses operating online stores. Additionally, the vulnerability may enable attackers to escalate privileges within the database, potentially leading to complete system compromise and lateral movement within network environments where the WordPress installation resides.
Mitigation strategies for this vulnerability should include immediate plugin updates to versions that properly sanitize input parameters and implement proper SQL query preparation techniques. Organizations should apply the latest security patches provided by the plugin developers and ensure that all WordPress installations maintain current versions of core software and plugins. Database access controls should be reviewed to limit the privileges of database users associated with WordPress installations, implementing the principle of least privilege. Input validation mechanisms should be strengthened to sanitize all user-supplied parameters before processing, with proper escaping of special characters and use of parameterized queries. Network-based security controls including web application firewalls and intrusion detection systems should be configured to monitor for known SQL injection attack patterns targeting the affected plugin. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar issues across the entire application portfolio, with particular attention to custom plugins and third-party components that may present similar security flaws. The vulnerability demonstrates the importance of maintaining up-to-date security practices and the necessity of implementing robust input validation mechanisms as recommended by the ATT&CK framework's defense-in-depth principles.