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.
Published: 2026-09-02
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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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

Subscriptions

No data.

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