Advisories for Composer/Typicms/Core package

2026

TypiCMS Core has Stored Cross-Site Scripting (XSS) via SVG File Upload

A Stored Cross-Site Scripting (XSS) vulnerability exists in the file upload module of TypiCMS. The application allows users with file upload permissions to upload SVG files. While there is a MIME type validation, the content of the SVG file is not sanitized. An attacker can upload a specially crafted SVG file containing malicious JavaScript code. When another user (such as an administrator) views or accesses this file through the application, …