Multi Step Form <= 1.7.23 - Missing Authorization to Unauthenticated Limited File Upload
Priority LOW 30CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0041 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| mondula2016 | Multi Step Form | up to 1.7.23 | — | No fix listed | CNA |
- Multi Step Form Vendormondula2016 Affected up to 1.7.23 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mondula:multi_step_form:*:*:*:*:*:wordpress:*:* | before 1.7.24 | Vulnerable | Mondula GmbH |
- cpe:2.3:a:mondula:multi_step_form:*:*:*:*:*:wordpress:*:* Versions before 1.7.24 Vulnerable ·Mondula GmbH
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-12427
- 2026-10-03 Alias added: GHSA-8979-rxc8-68vq
References
More mondula2016 vulnerabilities
- TI-2025-08720 Multi Step Form <= 1.7.25 - Authenticated (Admin+) Arbitrary File Upload CVSS 3.1HIGH 7.2
Sources
- CVE-2024-12427 · CVE Program
- CVE-2024-12427 · NVD
- FIRST EPSS
- GHSA-8979-rxc8-68vq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences