Arbitrary File Upload Vulnerability in ContentStudio Plugin for WordPress
CVE-2025-12181

8.8HIGH

Key Information:

Vendor

WordPress
Status
Contentstudio
Vendor
CVE Published:
5 December 2025

What is CVE-2025-12181?

The ContentStudio plugin for WordPress is susceptible to an arbitrary file upload vulnerability due to inadequate file type validation within the cstu_update_post() function. This flaw affects all versions of the plugin up to and including 1.3.7 and can be exploited by authenticated users with Author-level access or higher. If successfully executed, this vulnerability may allow attackers to upload malicious files to the server, creating potential paths for remote code execution and significant security risks for the affected website.

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Affected Version(s)

ContentStudio * <= 1.3.7

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://wordpress.org/plugins/contentstudio/

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kenneth Dunn
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