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OpenAdvisories
Medium · 5.4 CVE-2026-5069 EUVD-2026-42778GHSA-hmr3-xc3f-vfcx

Fluent Forms <= 6.2.1 - Incorrect Authorization to Authenticated (Subscriber+) Arbitrary Subscription Cancellation via 'subscription_id'

Published Jul 10, 2026 · Updated Jul 10, 2026 · Assigned by Wordfence

Description

The Fluent Forms plugin for WordPress is vulnerable to incorrect authorization via the 'subscription_id' parameter in versions up to, and including, 6.2.1. This is due to insufficient ownership authorization checks in the payment cancellation AJAX flow. This makes it possible for authenticated attackers, with subscriber-level access and above, to submit cancellation requests for other users' subscriptions.

Affected products

VendorProductAffectedFixed
wpmanageninja Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder ≤ 6.2.1 —

References