Small Package Quotes for Customers of FedEx WordPress Plugin SQL Injection Vulnerability

A SQL injection vulnerability has been identified in the Small Package Quotes – For Customers of FedEx plugin for WordPress, affecting all versions through 4.3.1. The vulnerability arises from inadequate escaping of user-supplied parameters in the 'edit_id' and 'dropship_edit_id' fields, coupled with a lack of proper preparation in the SQL query. This flaw allows unauthenticated attackers to inject additional SQL commands into existing queries, potentially leading to the extraction of sensitive information from the database.

Impact

Exploitation of this vulnerability allows for SQL injection, where an attacker can manipulate SQL queries to access or modify database information. In this case, it could be used to extract sensitive data from the database.

Reproduction

To reproduce this vulnerability, send a request to a WordPress site with the Small Package Quotes – For Customers of FedEx plugin installed, using the 'edit_id' or 'dropship_edit_id' parameters. The injection can be performed by appending malicious SQL code to these parameters, which will be executed by the database. This can be done through the WordPress admin interface or by crafting a direct HTTP request that includes the vulnerable parameters.

Remediation

Users are advised to update the Small Package Quotes – For Customers of FedEx WordPress plugin to version 4.3.2 or later.