Vvveb CMS < v1.0.8.2 Remote Code Execution via Media Management

Vvveb CMS before 1.0.8.2 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.

Source published

20 Apr 2026 19:09:45 UTC

Source modified

29 Oct 2026 20:19:55 UTC

Observed here

29 Oct 2026 21:48:56 UTC

Source terms

CVE Program Terms of Use

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CVSS 4.0 · 9.2 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:H/SA:N

CVSS 3.1 · 9.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H