Description
The Paymattic WordPress plugin from 4.6.20 before 4.6.26 does not verify that a confirmed Stripe payment belongs to the order it is applied to, allowing unauthenticated users to mark an arbitrary pending order as paid by confirming a smaller payment of their own against it.
Published: 2026-09-28
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 28 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-640

Mon, 28 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions paymattic
Vendors & Products Wordpress-extensions
Wordpress-extensions paymattic

Mon, 28 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-345
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 28 Sep 2026 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-640

Mon, 28 Sep 2026 06:45:00 +0000

Type Values Removed Values Added
Description The Paymattic WordPress plugin from 4.6.20 before 4.6.26 does not verify that a confirmed Stripe payment belongs to the order it is applied to, allowing unauthenticated users to mark an arbitrary pending order as paid by confirming a smaller payment of their own against it.
Title Paymattic < 4.6.26 - Unauthenticated Payment Bypass via Unbound Stripe PaymentIntent
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


Subscriptions

Wordpress-extensions Paymattic
cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-09-28T15:32:11.245Z

Reserved: 2026-09-11T16:27:21.951Z

Link: CVE-2026-89411

cve-icon Vulnrichment

Updated: 2026-09-28T15:31:11.677Z

cve-icon NVD

Status : Deferred

Published: 2026-09-28T07:17:21.387

Modified: 2026-09-28T16:38:58.950

Link: CVE-2026-89411

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-28T19:30:02Z

Weaknesses
  • CWE-345

    Insufficient Verification of Data Authenticity