CVE-2026-4986: CWE-862 Missing Authorization in WPForms
WPForms versions before 1.10.0.5 have a missing authorization vulnerability in the handling of PayPal webhook events. This flaw allows unauthenticated attackers to forge webhook payloads and manipulate payment states of arbitrary transactions. The vulnerability is classified as CWE-862 (Missing Authorization) and has a medium severity with a CVSS score of 5.3. No official patch or remediation has been confirmed at this time.
AI Analysis
Technical Summary
WPForms versions prior to 1.10.0.5 do not verify the authenticity of incoming PayPal webhook events. This missing authorization (CWE-862) enables unauthenticated attackers to forge webhook payloads, potentially manipulating the payment status of arbitrary transactions. The vulnerability has a CVSS 3.1 base score of 5.3, indicating medium severity. There is currently no confirmed official fix or remediation available from the vendor.
Potential Impact
An attacker can send forged PayPal webhook payloads to WPForms, potentially altering the payment state of transactions without authentication. This could lead to manipulation of payment records, affecting the integrity of transaction data. There is no indication of confidentiality or availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific temporary mitigations are provided.
CVE-2026-4986: CWE-862 Missing Authorization in WPForms
Description
WPForms versions before 1.10.0.5 have a missing authorization vulnerability in the handling of PayPal webhook events. This flaw allows unauthenticated attackers to forge webhook payloads and manipulate payment states of arbitrary transactions. The vulnerability is classified as CWE-862 (Missing Authorization) and has a medium severity with a CVSS score of 5.3. No official patch or remediation has been confirmed at this time.
CVSS v3.1
Score 5.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
WPForms versions prior to 1.10.0.5 do not verify the authenticity of incoming PayPal webhook events. This missing authorization (CWE-862) enables unauthenticated attackers to forge webhook payloads, potentially manipulating the payment status of arbitrary transactions. The vulnerability has a CVSS 3.1 base score of 5.3, indicating medium severity. There is currently no confirmed official fix or remediation available from the vendor.
Potential Impact
An attacker can send forged PayPal webhook payloads to WPForms, potentially altering the payment state of transactions without authentication. This could lead to manipulation of payment records, affecting the integrity of transaction data. There is no indication of confidentiality or availability impact.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific temporary mitigations are provided.
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: 06/09/2026, 06:07:47 UTC
Last enriched: 07/22/2026, 15:07:02 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 66
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