Medium severity · published Oct 27, 2026
CVE-2026-103332
Payex Payment Gateway for WooCommerce <= 1.2.10 - Unauthenticated Payment Confirmation Forgery via Empty-Default Secret Key
New
5.3
CVSS
0.1%
EPSS
No
On KEV
Description
The Payex Payment Gateway for Woocommerce WordPress plugin through 1.2.10 does not properly verify the authenticity of incoming payment notifications, relying on a validation secret that is empty by default, allowing unauthenticated attackers to forge a valid payment confirmation and mark any order as paid.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PP
Payex Payment Gateway for Woocommerce ·
through 1.2.10 · source: vendor
Affected product
PP
Payex Payment Gateway for Woocommerce