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OpenAdvisories
Medium · 5.3 CVE-2026-16650 EUVD-2026-63910GHSA-r6r4-9w99-4w36

Charitable < 1.8.12 - Unauthenticated Donation Payment-Status Manipulation via Square Webhook Signature Bypass

Published Aug 21, 2026 · Updated Aug 21, 2026 · Assigned by WPScan

Description

The Charitable WordPress plugin before 1.8.12 does not verify the authenticity of incoming Square payment webhook events in a default configuration, allowing unauthenticated attackers to forge webhook notifications that mark donations as paid without any real payment.

Affected products

VendorProductAffectedFixed
— Charitable < 1.8.12 1.8.12

References