open-formulieren — Vulnerabilities & Security Advisories 5

Open-formulieren is a Dutch open-source form builder primarily used for creating and managing web forms. Historically, it has been susceptible to multiple vulnerabilities including cross-site scripting (XSS), remote code execution (RCE), and privilege escalation, with five CVEs documented. These issues often stem from insufficient input validation and improper access controls. The application's security characteristics include its widespread use in Dutch government and educational sectors, making it a potential high-impact target. While no major public incidents have been widely reported, the consistent discovery of vulnerabilities in its codebase highlights ongoing security challenges that require diligent patching and secure configuration practices.