What is the CVSS score of CVE-2024-12427?

CVE-2024-12427 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.3%.

Which versions of Multi Step Form are affected by CVE-2024-12427?

Organizations using Multi Step Form should be aware of moderate risk from CVE-2024-12427, a missing authorization vulnerability rated CVSS 5.3.. A patch is available.

How to fix or mitigate CVE-2024-12427?

Within 30 days: Identify affected systems running for WordPress is vulnerable to unauthorized limited file upl and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Multi Step Form CVE-2024-12427

MEDIUM

Missing Authorization (CWE-862)

2025-01-16 security@wordfence.com

File Upload Authentication Bypass WordPress Multi Step Form

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:04 vuln.today

Patch released

Mar 28, 2026 - 18:04 nvd

Patch available

CVE Published

Jan 16, 2025 - 10:15 nvd

MEDIUM 5.3

DescriptionCVE.org

AnalysisAI

The Multi Step Form plugin for WordPress is vulnerable to unauthorized limited file upload due to a missing capability check on the fw_upload_file AJAX action in all versions up to, and including,. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Missing Authorization vulnerability could allow attackers to access resources or perform actions without proper authorization checks.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. The Multi Step Form plugin for WordPress is vulnerable to unauthorized limited file upload due to a missing capability check on the fw_upload_file AJAX action in all versions up to, and including, 1.7.23. This makes it possible for unauthenticated attackers to upload limited file types such as images. Affected products include: Mondula Multi Step Form.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.