CVE-2026-66660
Received Received - Intake

Unauthenticated Broken Access Control in Contact Form 7 PayPal Stripe Add-on

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Patchstack

Description
Unauthenticated Broken Access Control in Contact Form 7 – PayPal & Stripe Add-on <= 2.5.1 versions.

CVSS Scores

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Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-08-13
AI Q&A
2026-08-13
EPSS Evaluated
N/A
NVD
CVE-2026-66660
EUVD
EUVD-2026-57898

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
contact_form_7 paypal_and_stripe_add_on to 2.5.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This is an Unauthenticated Broken Access Control vulnerability in the Contact Form 7 – PayPal & Stripe Add-on plugin versions 2.5.1 and below. It allows unauthorized users to perform actions they should not be able to due to improper access restrictions.

Impact Analysis

An attacker could exploit this to modify or access sensitive data, perform unauthorized transactions, or disrupt services without authentication. The CVSS score of 6.5 indicates moderate impact on integrity and availability.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection principles and HIPAA's security requirements for protected health information. Compliance may be compromised if exploited.

Mitigation Strategies

Update the Contact Form 7 – PayPal & Stripe Add-on plugin to the latest version to address the unauthenticated broken access control vulnerability.

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