CVE-2026-46489 SolidInvoice: Unrestricted file upload with no MIME validation allows stored XSS via malicious SVG logo

SolidInvoice is an open-source invoicing platform. Prior to version 2.3.17, the company logo upload feature accepts any file type without validation. An authenticated administrator can upload an SVG file containing embedded JavaScript. This script is base64-encoded and injected unescaped into eve...