CVE-2020-37224: SQL Injection in Joomla J2 JOBS

Successful exploitation of CVE-2020-37224 allows an authenticated attacker to inject malicious SQL code through the 'sortby' parameter within the Joomla J2 JOBS administrator interface. This injection can be used to extract sensitive data stored in the database, including user credentials, configuration details, and potentially other application data. The attacker's ability to manipulate database queries could also lead to data modification or deletion, significantly impacting the integrity and availability of the Joomla installation. While authentication is required, a compromised administrator account provides a high level of access, expanding the potential blast radius.

1. Gepubliceerd2026-05-13

The primary mitigation for CVE-2020-37224 is to upgrade Joomla J2 JOBS to a patched version as soon as it becomes available. Until an upgrade is possible, implement temporary workarounds to reduce the risk. These include implementing strict input validation on the 'sortby' parameter, ensuring all user-supplied input is properly sanitized before being used in SQL queries. Employing parameterized queries or prepared statements can also prevent SQL injection attacks by separating SQL code from user data. A Web Application Firewall (WAF) configured with rules to detect and block SQL injection attempts targeting the 'sortby' parameter can provide an additional layer of defense. After implementing mitigation steps, verify their effectiveness by attempting to reproduce the vulnerability with a safe, controlled test.