CVE-2026-4986: CWE-862 Missing Authorization in WPForms
CVE-2026-4986 is a missing authorization vulnerability in the WPForms WordPress plugin versions before 1. 10. 0. 5. The plugin fails to verify the authenticity of incoming PayPal webhook events before processing them. This flaw allows unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions. There is no official patch or remediation information currently available. No known exploits in the wild have been reported. The vulnerability affects WPForms version 1. 10.
AI Analysis
Technical Summary
The WPForms WordPress plugin prior to version 1.10.0.5 contains a CWE-862 missing authorization vulnerability. It does not authenticate PayPal webhook events before processing, enabling attackers without authentication to forge webhook payloads. This can lead to unauthorized manipulation of payment transaction states. No CVSS score or vendor advisory with patch information is currently available. The affected version identified is 1.10.0.1.
Potential Impact
An attacker can send forged PayPal webhook payloads to the vulnerable WPForms plugin, causing unauthorized changes to the payment status of transactions. This could result in financial discrepancies or fraudulent payment state changes within affected WordPress sites using the vulnerable plugin version.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, administrators should consider disabling PayPal webhook processing or implementing additional verification controls at the application or network level to validate webhook authenticity.
CVE-2026-4986: CWE-862 Missing Authorization in WPForms
Description
CVE-2026-4986 is a missing authorization vulnerability in the WPForms WordPress plugin versions before 1. 10. 0. 5. The plugin fails to verify the authenticity of incoming PayPal webhook events before processing them. This flaw allows unauthenticated attackers to forge webhook payloads and manipulate the payment state of arbitrary transactions. There is no official patch or remediation information currently available. No known exploits in the wild have been reported. The vulnerability affects WPForms version 1. 10.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The WPForms WordPress plugin prior to version 1.10.0.5 contains a CWE-862 missing authorization vulnerability. It does not authenticate PayPal webhook events before processing, enabling attackers without authentication to forge webhook payloads. This can lead to unauthorized manipulation of payment transaction states. No CVSS score or vendor advisory with patch information is currently available. The affected version identified is 1.10.0.1.
Potential Impact
An attacker can send forged PayPal webhook payloads to the vulnerable WPForms plugin, causing unauthorized changes to the payment status of transactions. This could result in financial discrepancies or fraudulent payment state changes within affected WordPress sites using the vulnerable plugin version.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, administrators should consider disabling PayPal webhook processing or implementing additional verification controls at the application or network level to validate webhook authenticity.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-03-27T12:48:44.088Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a27adb3e29bf47b504f94c5
Added to database: 6/9/2026, 6:07:47 AM
Last enriched: 6/9/2026, 6:18:56 AM
Last updated: 6/9/2026, 7:23:48 AM
Views: 4
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