CVE-2026-6249
HighSummary
Vvveb CMS version 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.
Risk Assessment
Attackers can bypass the extension deny-list and upload malicious files to the publicly accessible media directory, leading to full server compromise.
Recommendation
It is recommended to update Vvveb CMS to the latest version and implement additional security measures such as scanning uploaded files and restricting access to the media directory.
Other vulnerabilities in Vvveb CMS 1.0.8.2
See all- CVE-2026-46408High
Vvveb is a powerful and easy to use content management system (CMS) that had a vulnerability in the checkout endpoint prior to version 1.0.8.3. It allowed logged-in attackers to reuse another user's cart data in their own checkout session.
- CVE-2026-46407High
Vvveb is a powerful and easy to use content management system (CMS) that prior to version 1.0.8.3 allowed an authenticated administrator to load another administrator's API token list by supplying that user's admin_id. This can disclose sensitive API tokens belonging to other administrators.
- CVE-2026-45800High
In Vvveb CMS prior to version 1.0.8.3, there is an SQL injection issue in the user order history page. An authenticated user can exploit URL parameters to manipulate SQL queries.
- CVE-2026-44826High
Vvveb CMS prior to version 1.0.8.2 does not validate the sign of the quantity parameter on the cart-add endpoint. Submitting a negative integer was accepted by the server, leading to negative values in order calculations.
- CVE-2026-6257Critical
Vvveb CMS version 1.0.8.2 contains a remote code execution vulnerability in its media management functionality. A missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess.
Original NVD description (English source)
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.