Auth bypass in Mondula Multi Step Form
CVE-2024-12427
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (31.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Mondula Multi Step Form
- Mondula2016 Multi Step Form — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/f0a31fee-ccc2-4c3b-b198-6cb75… (Third Party Advisory)
- plugins.trac.wordpress.org/browser/multi-step-form/tags/1.7.22/includes/lib/msf… (Product)
- plugins.trac.wordpress.org/browser/multi-step-form/tags/1.7.22/includes/lib/msf… (Product)
- plugins.trac.wordpress.org/changeset (Patch)
Frequently asked questions
- What is CVE-2024-12427?
- CVE-2024-12427 is a medium-severity vulnerability in Mondula Multi Step Form, classified under Missing Authorization. CVSS score: 5.3/10. Published 2025-01-16.
- How severe is CVE-2024-12427?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2024-12427 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.