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CVE-2026-14558

HIGH 7.2 CVSS 3.1
Published
August 28, 2026
Last modified
August 28, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-502
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Description

The User Frontend WordPress plugin before 4.3.10 does not properly validate field type definitions and deserialises user-controlled post metadata when rendering submitted posts, allowing users with Editor-level access and above to inject arbitrary PHP objects, which can lead to remote code execution when a suitable POP chain is present on the site.

Affected WordPress components

  • User Frontend – Membership, User Registration, User Profile, User Directory & Content Restriction with Frontend Post Submission Plugin · wp-user-frontend
    Confirmed match Active
    Before 4.3.10
    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

  • Unknown User Frontend — Before 4.3.10

References

  • wpscan.com https://wpscan.com/vulnerability/217303f4-4363-46f6-8aee-8e0c1aedc271/
  • nvd.nist.gov Official NVD record