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CVE-2023-5411

MEDIUM 4.3 CVSS 3.1
Published
November 22, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_af2_save_post function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to modify certain post values. Note that the extent of modification is limited due to fixed values passed to the wp_update_post function.

Affected WordPress components

  • Funnelforms Free – Multi Step Form, Contact Form & Lead Funnel Builder Plugin · funnelforms-free
    Confirmed match Active
    Up to and including 3.4
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • funnelforms Interactive Contact Form and Multi Step Form Builder with Drag & Drop Editor – Funnelforms Free — Up to and including 3.4
  • funnelforms funnelforms — Up to and including 3.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2986938/funnelforms-free Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/816f5fc1-e4e6-4c0d-b222-fe733f026e33?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record