Medium severity · published Oct 29, 2026
CVE-2026-88928
PAYCOMET for WooCommerce 5.36 - 5.45 - Unauthenticated Stored Payment Token Overwrite via Signature Verification Bypass
New
6.5
CVSS
–
EPSS
No
On KEV
Description
The PAYCOMET for WooCommerce WordPress plugin before 5.46 does not verify the cryptographic signature on its payment notification endpoint when the request references a tokenisation operation, allowing unauthenticated attackers to overwrite the stored payment token associated with existing orders and delete saved card records.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
PAYCOMET for WooCommerce ·
5.36 before 5.46 · source: vendor