CVE-2026-4798: SQL Injection in Avada Builder WordPress Plugin

Successful exploitation of CVE-2026-4798 could allow an attacker to bypass authentication and directly query the WordPress database. This could result in the exfiltration of sensitive data such as user credentials, customer information, order details, and potentially even database schema information. The attacker could use this information to gain further access to the WordPress site, compromise other users, or launch additional attacks. The requirement for WooCommerce to have been previously used and then deactivated adds a layer of specificity to the attack vector, but significantly expands the potential attack surface if that condition is met. This vulnerability shares similarities with other SQL injection attacks, where attackers manipulate database queries to gain unauthorized access.

1. Gereserveerd2026-03-25
2. Gepubliceerd2026-05-12

The primary mitigation for CVE-2026-4798 is to immediately upgrade the Avada Builder plugin to version 3.15.2 or later. If upgrading is not immediately feasible due to compatibility issues or breaking changes, consider temporarily disabling the Avada Builder plugin to prevent exploitation. As a short-term workaround, implement a Web Application Firewall (WAF) rule to filter requests containing suspicious SQL syntax in the ‘productorder’ parameter. Carefully review and sanitize all user inputs within the Avada Builder plugin to prevent future SQL injection vulnerabilities. After upgrading, confirm the fix by attempting to inject a simple SQL query via the ‘productorder’ parameter and verifying that it is properly sanitized and does not result in a database error.