InvoicePlane — Vulnerabilities & Security Advisories 26

InvoicePlane is an open-source invoicing and billing application designed for small businesses to manage invoices, payments, and client information. Historically, it has been susceptible to multiple remote code execution vulnerabilities, cross-site scripting (XSS), and privilege escalation flaws, with 11 CVEs documented to date. Notable security characteristics include its PHP-based architecture and reliance on MySQL, which have contributed to past authentication bypass issues. While no major public security incidents have been widely reported, the consistent discovery of critical vulnerabilities underscores the importance of regular updates and hardening for production deployments.