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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.

PUBLISHED Reserved 2026-03-27 | Published 2026-07-10 | Updated 2026-07-10 | Assigner Wordfence




MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Problem types

CWE-863 Incorrect Authorization

Product status

Default status
unaffected

Any version
affected

Timeline

2026-03-27:Vendor Notified
2026-07-09:Disclosed

Credits

Fernando Mecozzi finder

References

www.wordfence.com/...-ce13-4b60-ae11-9c0f9c077cf9?source=cve

plugins.trac.wordpress.org/changeset/3513845/fluentform

cve.org (CVE-2026-5069)

nvd.nist.gov (CVE-2026-5069)

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