MapSVG is a WordPress plugin that enables users to create interactive vector maps and manage custom content on their websites. It is widely used by businesses, developers, and map enthusiasts for visualizing geographic data, real estate listings, and other location-based information. The plugin's REST API allows for deeper integration with external applications, making it a powerful tool for dynamic data representation.
The vulnerability, identified as CVE-2022-0592, is an SQL Injection (SQLi) flaw that arises from insufficient validation of user-supplied input in a specific REST API endpoint. This occurs because the plugin fails to properly sanitize parameters before including them in SQL queries, allowing attackers to inject malicious SQL statements.
Specifically, the vulnerable endpoint is part of the MapSVG REST API, where the 'id' parameter is not adequately validated. An unauthenticated attacker can craft a request with a malicious 'id' value that bypasses input filters, leading to direct execution of arbitrary SQL commands on the WordPress database.
If exploited, this vulnerability can allow attackers to extract sensitive data such as user credentials, modify or delete database content, and potentially gain full control over the WordPress site. Given the CVSS score of 9.8, the impact is critical, especially since no authentication is required for exploitation.
- Upgrade MapSVG to version 6.2.20 or later, which includes a fix for the SQL injection vulnerability.
- Implement parameterized queries or prepared statements in all database interactions to prevent SQL injection.
- Apply strict input validation and sanitization on all REST API endpoints, especially the 'id' parameter.
- Use a Web Application Firewall (WAF) to filter malicious requests targeting known vulnerabilities.
- Regularly audit and monitor API logs for suspicious activities, such as unusual SQL-like patterns in parameters.
- Enable WordPress security plugins that provide additional layers of protection, such as login attempt limiting and file integrity monitoring.
- Restrict database user permissions to the minimum required for the plugin to function, reducing the impact of a successful injection.
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