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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 02 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94

Wed, 02 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502
CWE-94

Wed, 02 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title WP User Frontend < 4.3.11 - Subscriber+ PHP Object Injection via Frontend Post Edit Form
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-02T10:45:58.729Z

Reserved: 2026-08-06T14:36:33.718Z

Link: CVE-2026-19116

cve-icon Vulnrichment

Updated: 2026-09-02T10:13:13.546Z

cve-icon NVD

Status : Received

Published: 2026-09-02T06:17:16.643

Modified: 2026-09-02T11:17:19.117

Link: CVE-2026-19116

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T13:30:05Z

Weaknesses