PT-2026-99778 · WordPress · Paymattic

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CVE-2026-89411

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Published

2026-09-28

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Updated

2026-09-28

CVSS v3.1

5.3

Medium

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Name of the Vulnerable Software and Affected Versions Paymattic WordPress plugin versions 4.6.20 through 4.6.25
Description The plugin fails to verify if a confirmed Stripe payment is associated with the specific order it is being applied to. This allows unauthenticated users to mark any pending order as paid by confirming a smaller payment of their own against that order.
Recommendations Update Paymattic WordPress plugin to version 4.6.26.

Exploit

Fix

Insufficient Verification of Data Authenticity

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Weakness Enumeration

Related Identifiers

CVE-2026-89411

Affected Products

Paymattic