CVE-2026-103299
Medium
Description
The Payment Gateway WordPress plugin through 2.2.0 does not ensure a shared secret is configured before using it to authenticate the bank's payment-notification callback, allowing unauthenticated attackers to forge a valid notification and mark any WooCommerce order as paid on installs where the secret has not been set, and the same callback lets them move any pending order to a failed state whether or not the secret is configured.
SeverityMedium
CVSS5.3
Exploit probability—
ProductPayment Gateway
PublishedOct 26, 2026
First seenOct 26, 2026
Weakness typeCWE-287Improper authentication
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Payment Gateway | v ≤ 2.2.0 | — |
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