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CVE-2026-19116

HIGH 8.8 CVSS 3.1
Published
September 2, 2026
Last modified
September 3, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-502
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

The User Frontend WordPress plugin before 4.3.11 does not prevent user-supplied field values from being deserialized when a submitted post is reopened in its frontend editing form, allowing authenticated users with subscriber-level access and above to perform PHP Object Injection, which may lead to remote code execution when a suitable gadget 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 4.3.11
    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 4.3.11

References

  • wpscan.com https://wpscan.com/vulnerability/019d83bd-24d3-4575-9d0b-55f75fdb0bfa/
  • nvd.nist.gov Official NVD record