๐Ÿ” CVE Alert

CVE-2026-103329

MEDIUM 5.3

Super Payments < 1.43.1 - Unauthenticated Payment Confirmation Forgery via Webhook Signature

CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th

The Super Payments WordPress plugin before 1.43.1 does not properly verify the authenticity of incoming payment webhook notifications, as the signing key used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid signature and mark arbitrary WooCommerce orders as paid without payment.

Vendor unknown
Product super payments
Published Oct 9, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

Unknown / Super Payments
0 < 1.43.1

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
wpscan.com: https://wpscan.com/vulnerability/aefba87d-fa4c-4b7c-9436-6e79e966e8a5/

Credits

Naoki Kawahigashi WPScan