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.
Published: 2026-08-28
Score: 7.2 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

Fri, 28 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

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


Fri, 28 Aug 2026 09:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502

Fri, 28 Aug 2026 07:30:00 +0000

Type Values Removed Values Added
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.
Title WP User Frontend < 4.3.10 - Editor+ PHP Object Injection via AI Form Builder
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-08-28T13:03:21.317Z

Reserved: 2026-07-03T09:29:06.740Z

Link: CVE-2026-14558

cve-icon Vulnrichment

Updated: 2026-08-28T12:58:22.225Z

cve-icon NVD

Status : Deferred

Published: 2026-08-28T08:16:40.327

Modified: 2026-08-28T18:40:31.630

Link: CVE-2026-14558

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T16:00:15Z

Weaknesses