VULNERABILITY INTELLIGENCE
CVE-2026-6249
CVSS score8.8 HIGH
EPSS probability0.62%
CISA KEVNot currently listed
Published2026-04-20
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Vvveb CMS 1.0.8.2 contains a remote code execution vulnerability in its media upload handler that allows authenticated attackers to execute arbitrary operating system commands by uploading a PHP webshell with a .phtml extension. Attackers can bypass the extension deny-list and upload malicious files to the publicly accessible media directory, then request the file over HTTP to achieve full server compromise.
Weakness classification
- disclosure@vulncheck.com: CWE-434