CVE-2026-42879 FacturaScripts: Authenticated Remote Code Execution (RCE) via GIF Image Upload in Product Images

FacturaScripts is an open source accounting and invoicing software. In 2025.81 and earlier, an authenticated unrestricted file upload vulnerability exists in FacturaScripts' product image upload functionality. An attacker with valid credentials can upload a PHP file disguised as a GIF image using...