CVE-2023-5386

MEDIUM 6.5

Funnelforms Free <= 3.4 - Missing Authorization to Arbitrary Post Deletion

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_delete_posts function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to delete arbitrary posts, including administrator posts, and posts not related to the Funnelforms Free plugin. CVE-2023-5990 appears to be a duplicate of this issue.

CWE	CWE-862
Vendor	funnelforms
Product	interactive contact form and multi step form builder with drag & drop editor – funnelforms free
Published	Nov 22, 2023
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

funnelforms / Interactive Contact Form and Multi Step Form Builder with Drag & Drop Editor – Funnelforms Free

0 ≤ 3.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/400fe58b-8203-4fd5-a3d3-d30eb1b8cd85?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2986938/funnelforms-free

Credits

Alex Thomas Duc Manh