CVE-2026-89411
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Paymattic
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-345CWE-345
How to fix
Update
- Paymattic4.6.26 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Paymattic | 4.6.20 ≤ v < 4.6.26 | 4.6.26 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.