CVE-2026-6249

Vvveb CMS 1.0.8.2 Remote Code Execution via Media Upload

Published Apr 20, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:vvveb:vvveb:1.0.8.2:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Vvveb CMS < 1.0.8.2 Remote Code Execution via Media Upload Vvveb CMS 1.0.8.2 Remote Code Execution via Media Upload
Type Values Removed Values Added
Description Vvveb CMS 1.0.8 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. 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.
Title Vvveb CMS 1.0.8 Remote Code Execution via Media Upload Vvveb CMS < 1.0.8.2 Remote Code Execution via Media Upload
Type Values Removed Values Added
First Time appeared Vvveb
Vvveb vvveb
Vendors & Products Vvveb
Vvveb vvveb
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Vvveb CMS 1.0.8 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.
Title Vvveb CMS 1.0.8 Remote Code Execution via Media Upload
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 14, 2026, 10:03 PM
Reserved
Apr 13, 2026, 6:27 PM
Status
Deferred
Published
Apr 20, 2026, 8:16 PM
Modified
Oct 26, 2026, 9:10 PM