Vulnerability Overview:
- CVE Identifier: CVE-2021-24849
- Vulnerable Component: WCFM WooCommerce Multivendor Marketplace plugin
- Parameters Affected: Multiple parameters in the
wcfm_ajax_controllerAJAX action - Issue: Insufficient sanitization leading to SQL Injection
Vulnerability Details:
The vulnerability arises from the plugin's failure to adequately sanitize user-supplied input before using it in SQL queries. This oversight makes it possible for attackers to manipulate SQL queries by injecting malicious SQL code through the plugin’s AJAX action wcfm_ajax_controller. The affected parameters include transaction_id, among others, which can be exploited by both unauthenticated and authenticated users.
Possible Effects:
Exploiting this vulnerability could allow attackers to gain unauthorized access to the database, retrieve sensitive information, modify database entries, and potentially compromise the WordPress site. This could lead to data breaches, identity theft, and unauthorized administrative operations.
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References:
- Immediate Action: Upgrade to version 3.4.12 or later of the WCFM WooCommerce Multivendor Marketplace plugin.
- Verify Updates: Ensure that the plugin is updated to the latest version available from the vendor.
- Review Logs: Check web and database logs for unusual or unauthorized queries indicating potential exploitation attempts.
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