CVE-2024-12427 MEDIUM

CVE-2024-12427: Multi Step Form <= 1.7.23 - Missing Authorization to Unauthenticated Limited File Upload

Vendor Mondula2016

Product Multi Step Form

Weakness CWE-862 · Missing authorization

Published January 16, 2025

Last update April 8, 2026

View on NVD All CVEs

CVSS base score

5.3/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality None

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 16, 2025 CVE published

April 8, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-12427 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html

Related vulnerabilities

04Related CVE

CVE-2024-39664 WordPress Filter & Grids plugin <= 2.8.32 - Broken Authentication vulnerability CVE-2020-5228 Opencast allows unauthorized public access via OAI-PMH CVE-2024-54384 WordPress Falcon – WordPress Optimizations & Tweaks plugin <= 2.8.3 - Broken Access Control vulnerability CVE-2024-12158 Popup – MailChimp, GetResponse and ActiveCampaign Intergrations <= 3.2.6 - Missing Authorization to Unauthenticated DB Table Truncation CVE-2026-47163 Quest Bot: Unprivileged users can create and remove AutoMod rules.