CVE-2023-38491 Kirby vulnerable to Cross-site scripting (XSS) from MIME type auto-detection of uploaded files

Kirby is a content management system. A vulnerability in versions prior to 3.5.8.3, 3.6.6.3, 3.7.5.2, 3.8.4.1, and 3.9.6 affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to upload an arbitrary file to the content...