CVE-2026-4986 - Vulnerability Details - OpenCVE

The WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Wordpress	Wordpress
Wpforms	Wpforms

No data.

No data.

References

Link	Providers
https://wpscan.com/vulnerability/1d99eed6-9a16-4d5a-90f9-ab604dfd5b92/

History

Tue, 09 Jun 2026 16:15:00 +0000

Type	Values Removed	Values Added
Weaknesses	CWE-284

Tue, 09 Jun 2026 14:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-862
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 09 Jun 2026 07:45:00 +0000

Type	Values Removed	Values Added
First Time appeared		Wordpress Wordpress wordpress Wpforms Wpforms wpforms
Weaknesses		CWE-284
Vendors & Products		Wordpress Wordpress wordpress Wpforms Wpforms wpforms

Tue, 09 Jun 2026 06:15:00 +0000

Type	Values Removed	Values Added
Description		The WPForms WordPress plugin before 1.10.0.5 does not verify the authenticity of incoming PayPal webhook events before processing them, allowing unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions.
Title		WPForms Lite < 1.10.0.5 – Unauthenticated PayPal Webhook Forgery
References		https://wpscan.com/vulnerability/1d99eed6-9a16-4d5a-90f9-ab604dfd5b92/

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-06-09T06:00:05.340Z

Updated: 2026-06-09T13:15:29.218Z

Reserved: 2026-03-27T12:48:44.088Z

Link: CVE-2026-4986

Vulnrichment

Updated: 2026-06-09T13:15:18.622Z

NVD

Status : Deferred

Published: 2026-06-09T06:16:53.797

Modified: 2026-06-09T14:16:44.693

Link: CVE-2026-4986

Redhat

No data.

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