CP Image Store with Slideshow is a WordPress plugin designed to help users create and display photo galleries with slideshow functionality. It is widely used by small businesses, photographers, and bloggers to enhance their websites with interactive image presentations. The plugin offers features like image ordering, category filters, and customizable transitions, making it a popular choice for those seeking an easy way to showcase visual content without extensive coding.
The vulnerability is an SQL Injection flaw that arises from improper sanitization of user-supplied input before it is used in SQL queries. Specifically, the plugin fails to escape or validate data passed through certain parameters, allowing attackers to inject malicious SQL commands. This occurs because the plugin does not use prepared statements or parameterized queries, leaving the database open to manipulation.
Technically, the vulnerable endpoint is the 'cp-image-store' shortcode, where the 'id' parameter is directly concatenated into SQL queries. An unauthenticated attacker can send a crafted HTTP request with a malicious 'id' value, such as a UNION-based injection, to extract sensitive data from the WordPress database. The attack does not require any authentication or special privileges, making it easily exploitable.
If exploited, an attacker could retrieve all data from the WordPress database, including user credentials, session tokens, and other sensitive information. This could lead to complete site compromise, privilege escalation, and further attacks on the server. Given the CVSS score of 9.8, this vulnerability is critical and requires immediate remediation to prevent data breaches and loss of control over the website.
- Update the CP Image Store with Slideshow plugin to version 1.0.68 or later immediately.
- Implement parameterized queries or prepared statements in all database interactions to prevent SQL injection.
- Sanitize and validate all user inputs, especially those used in SQL queries, using functions like esc_sql() or $wpdb->prepare().
- Conduct regular security audits and vulnerability scans of all installed plugins and themes.
- Apply a Web Application Firewall (WAF) to block malicious SQL injection attempts at the network level.
- Restrict database user privileges to only necessary operations to limit potential damage.
- Monitor server logs for suspicious SQL queries or unusual database activity.
- Educate developers on secure coding practices, including input validation and output escaping.
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