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CVE-2026-6257

Vvveb CMS

Descripción

Vvveb CMS v1.0.8 contains a remote code execution vulnerability in its media management functionality where a missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess. Attackers can exploit this logic flaw by first uploading a text file and renaming it to .htaccess to inject Apache directives that register PHP-executable MIME types, then uploading another file and renaming it to .php to execute arbitrary operating system commands as the www-data user.

CVSS 9.1EPSS 0.633%Riesgo 0.96
Ver fuente
Publicación
2026-04-20 20:16:49
Versiones afectadas
cannotmatch
Tipo
Installed app
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H