CVE-2026-4986

WPForms Lite < 1.10.0.5 – Unauthenticated PayPal Webhook Forgery

Published Jun 9, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-284
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'}

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
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Jun 9, 2026, 1:15 PM
Reserved
Mar 27, 2026, 12:48 PM
Status
Deferred
Published
Jun 9, 2026, 6:16 AM
Modified
Jul 23, 2026, 8:10 AM