WPForms Lite < 1.10.0.5 – Unauthenticated PayPal Webhook Forgery
CVE-2026-4986

Currently unrated

Key Information:

Vendor

WordPress

Status
Vendor
CVE Published:
9 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4986?

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.

Affected Version(s)

WPForms 1.10.0.1 < 1.10.0.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Sudhanshu Chauhan [RedHunt Labs]
WPScan
.