Description
In ATutor 2.2.4, an unauthenticated attacker can change the application settings and force it to use his crafted database, which allows him to gain access to the application. Next, he can change the directory that the application uploads files to, which allows him to achieve remote code execution. This occurs because install/include/header.php does not restrict certain changes (to db_host, db_login, db_password, and content_dir) within install/include/step5.php.
Remediation
References
Related Vulnerabilities
WordPress Plugin Advanced Text Widget 'page' Parameter Cross-Site Scripting (2.0.0)
WordPress Plugin WP-Table Reloaded Cross-Site Scripting (1.9.3)
Drupal Core 4.7.x Cross-Site Scripting (4.7.0 - 4.7.7)
WordPress Plugin uCare-Support Ticket System Cross-Site Scripting (1.2.1)
Dolibarr Incorrect Authorization Vulnerability (CVE-2020-12669)