CVE-2025-67910 CRITICAL

CVE-2025-67910: WordPress Contentstudio plugin <= 1.3.7 - Arbitrary File Upload vulnerability

Vendor Contentstudio
Product Contentstudio
Weakness CWE-434 · Unrestricted file upload
Published January 8, 2026
Last update April 28, 2026

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in contentstudio Contentstudio contentstudio allows Upload a Web Shell to a Web Server.This issue affects Contentstudio: from n/a through <= 1.3.7.

Explanation of Vulnerability in Simple Terms

02Summary

Contentstudio versions up to 1.3.7 allow authenticated administrators to upload files without proper validation. An attacker with high-level privileges can upload malicious files that may affect confidentiality, integrity, and availability of the site. Update to version 1.4.1 or later to remediate this vulnerability.

What an attacker can do

03Attacker Capabilities

Upload malicious files to the server and potentially execute code or compromise site data.

Potential impact on your site

04Site Impact

A compromised admin account could allow file uploads leading to data breach, site defacement, or service disruption.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access to Contentstudio.

Key dates

06Disclosure timeline

January 8, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE