CVE-2026-70374 — HashBrown CMS - OS Command Injection in Media Upload Thumbnail Generation
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/Entit…
Published: 2026-08-05 · CVSS: 8.8 · CVSS 3.1
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.extname(filename) and passes it, unescaped, into a shell command executed via AppService.exec ('convert ' + tempFile + ...).
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7