CVE-2026-89411CWE-345

CVE-2026-89411

Medium · published September 28, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
1.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00114 · 1.4th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-09-28T11:17Z
References (1)
https://wpscan.com/vulnerability/240a0440-7892-4c03-b282-2fdb6f086bb6/ · [email protected]
EPSS history
Timeline
  • 29 SEP 03:28Z
    EPSS moved — → 0%
    epss
  • 28 SEP 06:19Z
    Paymattic < 4.6.26 - Unauthenticated Payment Bypass via Unbound Stripe PaymentIntent
    cvelistv5