CVE-2024-12427
CVE-2024-12427 is a medium-severity vulnerability in Mondula Multi Step Form with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (30th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-50848
- Weakness: CWE-862
- Affected product: Mondula Multi Step Form
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2024-12427?
- CVE-2024-12427 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2024-12427 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-12427?
- CVE-2024-12427 affects Mondula Multi Step Form. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-12427?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-12427 have an EU (EUVD) identifier?
- Yes. CVE-2024-12427 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-50848.
- When was CVE-2024-12427 published?
- CVE-2024-12427 was published on 2025-01-16 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/browser/multi-step-form/tags/1.7.22/includes/lib/msf-shortcode.class.php#L100
- https://plugins.trac.wordpress.org/browser/multi-step-form/tags/1.7.22/includes/lib/msf-shortcode.class.php#L30
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3219723%40multi-step-form&new=3219723%40multi-step-form&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f0a31fee-ccc2-4c3b-b198-6cb750188113?source=cve
Affected products (1)
- cpe:2.3:a:mondula:multi_step_form:*:*:*:*:*:wordpress:*:*
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- CVE-2018-14846 — Medium (CVSS 5.4): The Mondula Multi Step Form plugin before 1.2.8 for WordPress has multiple stored XSS via wp-admin/admin-ajax.php.
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