WordPress Plugin Vulnerabilities

PAYCOMET for WooCommerce 5.36 - 5.45 - Unauthenticated Stored Payment Token Overwrite via Signature Verification Bypass

Description

The plugin 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.

Proof of Concept

Affects Plugins

References

Classification

Miscellaneous

Original Researcher
JunHee CHO
Submitter
JunHee CHO
Submitter website
Verified
Yes

Timeline

Publicly Published
2026-10-26 (about 3 days ago)
Added
2026-10-26 (about 2 days ago)
Last Updated
2026-10-26 (about 2 days ago)

Other