CVE-2026-70374: Improper Neutralization of Special Elements used in an OS Command

HashBrown CMS through 1.4.6 contains an OS Command Injection vulnerability CWE-78 in the media upload thumbnail generation routine. Media.generateThumbnail in src/Server/Entity/Resource/Media.js builds a temporary file path as 'thumbnail' + Path.extnamefilename and passes it, unescaped, into a...