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Description

The Paid Memberships Pro plugin for WordPress is vulnerable to unauthorized modification and disruption of Stripe webhook configuration in all versions up to, and including, 3.6.5. This is due to missing capability checks on the `wp_ajax_pmpro_stripe_create_webhook`, `wp_ajax_pmpro_stripe_delete_webhook`, and `wp_ajax_pmpro_stripe_rebuild_webhook` AJAX handlers. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete, create, or rebuild the site's Stripe webhook, disrupting all payment processing, subscription renewal synchronization, cancellation handling, and failed payment management.

PUBLISHED Reserved 2026-03-13 | Published 2026-05-02 | Updated 2026-05-04 | Assigner Wordfence




HIGH: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Problem types

CWE-862 Missing Authorization

Product status

Default status
unaffected

Any version
affected

Timeline

2026-03-13:Vendor Notified
2026-05-01:Disclosed

Credits

Jared Reyes finder

References

www.wordfence.com/...-e416-42aa-9722-5406df0a64b3?source=cve

github.com/strangerstudios/paid-memberships-pro/pull/3615

cve.org (CVE-2026-4100)

nvd.nist.gov (CVE-2026-4100)

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