What is the CVSS score of CVE-2025-12181?

CVE-2025-12181 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Which versions of WordPress are affected by CVE-2025-12181?

The ContentStudio WordPress plugin contains a critical file upload vulnerability that allows internal users with author-level access to upload malicious files and potentially execute arbitrary code…

How to fix or mitigate CVE-2025-12181?

Within 24 hours: Audit all WordPress installations for ContentStudio plugin presence and document affected sites. Within 7 days: Disable the ContentStudio plugin on all affected WordPress sites and restrict author/editor role assignments to trusted personnel only. Within 30 days: Evaluate alternative plugins or vendors with active security patching, and implement enhanced access controls and activity monitoring for remaining administrative accounts.

WordPress CVE-2025-12181

EUVD-2025-201376 HIGH

Unrestricted Upload of File with Dangerous Type (CWE-434)

2025-12-05 security@wordfence.com

WordPress RCE File Upload

8.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 17:08 euvd

EUVD-2025-201376

CVE Published

Dec 05, 2025 - 06:16 nvd

HIGH 8.8

DescriptionNVD

The ContentStudio plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the cstu_update_post() function in all versions up to, and including, 1.3.7. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Analysis

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CVE-2025-12181 vulnerability details – vuln.today

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WordPress CVE-2025-12181

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

Analysis

More from same product – last 7 days

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External POC / Exploit Code