WPForms <= 1.10.0.4 - Unauthenticated Insufficient Verification of Data Authenticity via PayPal Commerce Webhook Endpoint

5.3
Insufficient Verification of Data Authenticity
CVE CVE-2026-7792
CVSS 5.3 (Medium)
Publicly Published June 5, 2026
Last Updated June 6, 2026
Researcher Valatty

Description

The WPForms – Easy Form Builder for WordPress – Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Insufficient Verification of Data Authenticity in versions up to and including 1.10.0.1. This is due to the PayPal Commerce webhook endpoint processing unauthenticated JSON webhook payloads without verifying that the request originated from PayPal using the required HMAC-SHA256 webhook signature, and only checking whether the supplied event_type is whitelisted before dispatching the attacker-controlled resource data to handlers that update payment records. This makes it possible for unauthenticated attackers who know a valid PayPal subscription_id to forge PayPal webhook events and modify subscription payment records, such as reactivating a cancelled or suspended subscription by setting its subscription_status to active.

References

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Vulnerability Details for WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More

Software Type Plugin
Software Slug wpforms-lite (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.10.0.5, or a newer patched version
Affected Version
  • <= 1.10.0.4
Patched Version
  • 1.10.0.5

Recent vulnerabilities in WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More

# Title CVE ID CVSS Researchers Date
1 WPForms <= 1.10.2 - Improper Neutralization of CRLF Sequences to Unauthenticated Email Header Injection via Reply-To Display Name CVE-2026-12127 5.3 Jack Pas (Dark.) June 30, 2026
2 WPForms – Easy Form Builder for WordPress – Contact Forms, Payment Forms, Surveys, & More <= 1.10.0.4 - Missing Authorization CVE-2026-48835 5.3 Cyrille COQUARD May 28, 2026
3 Contact Form by WPForms <= 1.10.0.2 - Cross-Site Request Forgery CVE-2026-40764 4.3 vladimir tokarev March 31, 2026
4 WPForms – Easy Form Builder for WordPress – Contact Forms, Payment Forms, Surveys, & More <= 1.9.8.7 - Unauthenticated Sensitive Information Exposure CVE-2026-25339 5.3 Sandeep V March 23, 2026
5 Contact Form by WPForms <= 1.9.9.3 - Missing Authorization CVE-2026-32446 4.3 davidfdzmorilla March 7, 2026
6 WPForms Lite <= 1.9.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'start_timestamp' Parameter CVE-2025-3794 5.4 Asaf Mozes May 9, 2025
7 WPForms Lite <= 1.9.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via fieldHTML Parameter CVE-2024-13403 6.4 Asaf Mozes February 3, 2025
8 Contact Form by WPForms <= 1.9.2.2 - Missing Authorization CVE-2024-56276 4.3 Rafie Muhammad January 3, 2025
9 WPForms 1.8.4 - 1.9.2.1 - Missing Authorization to Authenticated (Subscriber+) Payment Refund and Subscription Cancellation CVE-2024-11205 8.5 villu164 December 9, 2024
10 WPForms <= 1.9.2.2 - Authenticated (Admin+) Stored Cross-Site Scripting CVE-2024-11223 4.4 Dmitrii Ignatyev December 5, 2024

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